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  1. Ed Seeley

    Replace T5's with LED

    If you've got the T5s already set up then it probably isn't worth the cost. A good LED set up that dims and has other features is going to cost you a few hundred pounds at least and, as most are designed for marine set ups, they offer very high light level but not too much spread meaning you'd...
  2. Ed Seeley

    Giesemann Teszla

    Another thing about the geisemann units is the controller isn't out yet so you only have a limted amount of variability with this unit at the moment. The controller will also be extra like the AI units whereas some have one included or are controlled by linking to a laptop like the Radions.
  3. Ed Seeley

    too much light

    Be very careful, by reducing the surface agitation and increasing your bubble rate you could overdose your fish. Keep a careful eye on things and at the first sign of any distress from the fish turn the bubble rate down again.
  4. Ed Seeley

    Kessil A150W "Amazon Sun" review

    Any word on the results of the PAR/PUR tests yet?
  5. Ed Seeley

    Halide 150W

    When you add in extra running costs and bulb replacements over a 5 year period you might surprised how 'cheap' an LED unit suddenly seems compared to T5 or halide lights. Also IMO you won't need a real top of the range unit for a planted tank - aquarays and the like will do a good job as some...
  6. Ed Seeley

    Kessil amazon sun

    It's not necessarily about output IMO for planted tanks compared to reefs but the equality of light across the tank. LEDs are point source lights and cast harder shadows due to their nature. So if you have an LED in the centre of a tank you will get large shadows at the ends due to the angle of...
  7. Ed Seeley

    Kessil amazon sun

    There are quite a few debates on reefing forum about kessil lights. It seems that they aren't terribly efficient compared to many other LED lights so might not be the best one to look at if you're after energy savings. For my reef I run a AI sol blue which is immense but it's far too blue for...
  8. Ed Seeley

    LED, T5 or Halide???

    I've got an AI Sol as opposed to the radion because it kicks out much higher PAR and is cheaper (£430 for the first unit, £400 for further units plus ~£70 for the controller). The radion spreads the light out much more so packs less punch. It does have extra colour LEDs but they're really not...
  9. Ed Seeley

    LED, T5 or Halide???

    When looking at light costs as well as the running costs you need to take bulb replacements into account too. I've just bought an LED unit for my reef tank. It runs at a maximum wattage of 72W (with fan running and all LEDs on full intensity). At the moment it's running at about 1/3rd...
  10. Ed Seeley

    T5 Lighting for 8ft x 2ft x 2ft

    Sounds like you've got it all sorted mate. Just don't forget the pics!!!! :lol:
  11. Ed Seeley

    T5 Lighting for 8ft x 2ft x 2ft

    I might need you to backtrack a bit here. Is this filter going under the tank fed by overflows, next to the tank and gravity fed like it would be in a pond or pump fed? If it was me then I'd look at units based around static K1 with maybe a sintered glass or ceramic media in the final chamber...
  12. Ed Seeley

    How long do you keep your T5 lights for?

    Until they die. The 'replace them after a year' idea is marketing hype IMO.
  13. Ed Seeley

    T5 Lighting for 8ft x 2ft x 2ft

    9,000lph will be a lot of flow through the filter as on such a huge tank and with your own designed filter you shouldn't experience the same loss of flow rate as from a normal external. However you can't really have too much flow so I suppose it's all good! I have a 1m diameter vortex on my...
  14. Ed Seeley

    T5 Lighting for 8ft x 2ft x 2ft

    The vortex will not lose any CO2 (more so than any open chamber in the filter) but will be an excellent method of passively removing solids. It is just a large cylindrical/conical chmaber where solids will settle out and can easily be drained out. You certainly don't need to get rid of it for...
  15. Ed Seeley

    T6 Tubes In T8 Hood

    I've got T6s in one of my tanks fitted into an old Juwel light unit and they certainly pack more of a punch than the T8s did. However unless you just want a small amount of extra light with such small bulbs I think you might be better getting another light rather than just switching bulbs as...
  16. Ed Seeley

    RIO 180 - New tubes and reflectors needed.

    Well I think the Jewel system is quite neat and fits well with the tank but you could probably replace it with a lumiere that could fit cheap tubes for less money! It's your call! The plants don't care how much the tubes cost you!
  17. Ed Seeley

    RIO 180 - New tubes and reflectors needed.

    Why do you think your tubes need replacing? Don't believe the hype about them needing replacing every year or so - replace them when they fail!!!! The ones on my Rio 180 are 16months old now and growing HC and Glosso fine amongst other species. The Jewel T5's are funny sizes and the only...
  18. Ed Seeley

    4 t5's over a juwel rio 125 ok?

    A 125 litre tank is about 27 gallons so your 56W of T5 lighting gives you 2.074 watts of T5 lighting per gallon. With good reflectors, this is plenty of light to grow pretty much anything; if you add more light than this you will need to really keep up with water changes, dosing and, most...
  19. Ed Seeley

    I need help coosing Lighting for a 10ftx4ftx4ft 1200uk gallo

    Bead filters operate under pressure and that pressure increases the head which then increases the running costs! They also work by filtering out the waste with the beads and then the water flows through that waste breaking it down when you really want to remove it before that happens. The best...
  20. Ed Seeley

    I need help coosing Lighting for a 10ftx4ftx4ft 1200uk gallo

    I'd be thinking more like a small koi pond. Same ideas with high turnover but they use much lower wattages. The filters can also deal with much higher flow rates so you could have just one large filter rather than multiple small ones.
  21. Ed Seeley

    Rio 125 - Trouble Fitting Lights and Reflectors and WPG issu

    I've got Glosso, HC and Hairgrass growing under just the Juwel High lite system with twin T5s and they do fine. I'd try it with just those bulbs and reflectors and then only if that proves inadequate try and add more bulbs. Oh and make sure you get some good reflectors. I have some D-D gull...
  22. Ed Seeley

    Advice Please!

    I wouldn't use grolux bulbs. You don't need them to grow plants - they do fine under any spectrum except possibly extremely blue ones. I'd go with the Skywhites. The light from your MH bulbs will depend on their Kelvin rating so I've no idea!
  23. Ed Seeley

    Advice Please!

    The colour of bulbs is only really important for you looking at the tank! Plant's will use light of widely different spectra. Look at the sticky in this section for some excellent work done on how different bulb colours look. I think you're going to be fine with the pendant. The T8s can be on...
  24. Ed Seeley

    Advice Please!

    First things first you've really got to go for the CO2. It's the biggest difference between a great tank and a tank of troubles IMHO. A good pressurised system with a suitable diffusion method will mean that some types of algae are discouraged while the plants will grow superbly. If you are...
  25. Ed Seeley

    Optimum Lighting WPG

    Paul if you aim for roughly 2wpg of T5 linear light over any medium sized tank then you can't go too far wrong. For tanks under 2ft (60cm) you can up that a bit to maybe 3wpg and for larger ones it can drop below 2wpg. This assumes you have linear T5s with good reflectors. For other less...
  26. Ed Seeley

    Distribution of lighting

    The WPG calculation is a very rough guide but is concerned about lighting over the whole tank. Remember if you have half the lighting over half the side then it's only lighting half the volume, so 110W over 50g, not 100g! Personally I've found compact T5s don't provide a good spread of light...
  27. Ed Seeley

    T5 v T8 lighting

    T5s are thinner (5/8ths of an inch) and more efficient so you get more light per Watt. T8s are thicker (8/8ths of an inch) and less efficient. Your lighting is about 1.7 WPG and with T8s this is pretty low light. However before upgrading your lights get your CO2 and ferts sorted. Once...
  28. Ed Seeley

    Advice please - Should I add lighting? ***Updated with pics!

    It should be the other way round! The internal reflector on the top half. Funny why they put the logo on the other bit though. :?:
  29. Ed Seeley

    DIY LED lighting?

    Great stuff Andy; love the decoration of it mate! Pimped up nicely! :lol: Interesting about the light spread. On a larger lumiere I suppose you could have a mix of lensed and unlensed LEDs to have a mixture of light effects. My next tank will definitely be DIY LED now!!!! :mrgreen:
  30. Ed Seeley

    Jewel T5 high-lite.

    Yep! :D
  31. Ed Seeley

    Jewel T5 high-lite.

    Still a lot more than those from Lampspecs though! :lol: I want to buy cheap bulbs for my lighting, not to mention the greater choices of bulbs in the standard sizes too.
  32. Ed Seeley

    DIY LED lighting?

    Awesome job Andy. The light is so bright and I love the shimmering effect. I have to do one of these in the summer now! I think it might take me the 6 weeks though with my electrical skills!!! :lol:
  33. Ed Seeley

    Jewel T5 high-lite.

    I've got a day and nature on my rio 180 and like the colour they produce as well as the growth it achieves. However the odd sized bulbs are a pain and expensive. Maybe you might want to look into a lumiere?
  34. Ed Seeley

    T5 tubes 895mm Whats best combination ?

    I've got the two that came with the tank in mine still and like them. If I remember rightly that's a Day and a Nature tube. I'm just annoyed I'm going to have to pay so much for the replacements when they go!
  35. Ed Seeley

    new boy is confused.

    I would fit both units as you can always have a shorter photoperiod with higher light. I have a Rio 180 and the T5s with good reflectors are fine fro growing glosso and HC, but your tank is a little bigger so you are probably best with both. There's two things I'd bear in mind. T5s seems...
  36. Ed Seeley

    DIY LED lighting?

    Looking very nice mate! I'm itching to try one of these too on one of my tanks, but it won't be until the summer now at the earliest :( . Can't wait to see it working.
  37. Ed Seeley

    Need help, and/or suggestions...

    Java fern, Anubias and moss on the hardscape and most common Hygrophila or Bacopa for the stems. Large crypts and Vallis would look good at the back too.
  38. Ed Seeley

    Need help, and/or suggestions...

    Larger and more frequent water changes are the way to go if you detect nitrites. Is this a common problem with piranha? Being characins I'm surprised the piranha tolerate the salt; I thought all characins were rather intolerant of it. To get rid of the algae you're best to syphon out any...
  39. Ed Seeley

    Need help, and/or suggestions...

    I understand that from a keeping the fish point of view but from a planted tank point of view it could cause you algae problems; even at levels that won't register on a test kit! I have two 180l tanks. One just has small killifish, Apistogrammas and Otos which are fed lightly and I only have a...
  40. Ed Seeley

    Need help, and/or suggestions...

    I think you're going to have two problems with a planted piranha tank if your fish are already big and that's that their sheer bulk may well uproot or disturb plants, but there are ways around this with the plants you choose and using plants tied onto rock or wood. The second is the ammonia...
  41. Ed Seeley

    whats my lighting like?

    I've stopped replacing my tubes until they stop working completely or I notice they are dark! The plants seem to adapt fine as the light levels slowly fall. My T5s have been going for a year on my Rio and I have PCT5s that are nearly two years old. The plants grow fine, even 'tricky' ones!
  42. Ed Seeley

    how many hours of illumination is too many?

    The only study I've seen on it was done at my old uni, York, where they grew Arabidopsis (a small weed used for a lot of molecular studies and other things as a model organism) under various regimes. Those under 24 hour lighting grew so well that ran short of water and nutrients! It's really...
  43. Ed Seeley

    how many hours of illumination is too many?

    No prblems carrying on this discussion about plants in general, it's a very interesting subject - I just don't think discussing how that particular plant is grown is the best thing on an open forum such as ours.
  44. Ed Seeley

    how many hours of illumination is too many?

    I think it might be best not to have a discussion of the methods of growing that particular group of plants here, for obvious reasons! Suffice to say that a number of plants grow very well under 24hr lighting and a large range will certainly do no worse than a 16 hour day. It may well...
  45. Ed Seeley

    DIY LED lighting?

    Looking good Andy. Keep us posted on how they do.
  46. Ed Seeley

    t4 / t5 under cabinet units in luminaire

    I think no-one's tried them because I believe they are normal output lights rather than high output ones we use in tanks most of the time. I don't think they're going to be as bright as the T5s we usually use for the same wattage.
  47. Ed Seeley

    any plant ideas for my lighting?

    Crinums, large echinodorus and java ferns. You might have more success with bigger types of Anubias too and letting them and the moss get established and rooted onto the decor before putting them in the tank.
  48. Ed Seeley

    which tubes???????????

    Have a look at the sticky in this forum. Those lamps are available from Lampspecs and they do T8s too.
  49. Ed Seeley

    DIY LED lighting?

    That plan's looking good Andy. I'm thinking I need to have a go at one of these over the Christmas holidays maybe. One thing that would really help me is if we could sort of get a comprehensive shopping list of ideal requirements here between us. All the sparkies and experienced people on...
  50. Ed Seeley

    DIY LED lighting?

    Have seen those Paulo, but thanks for posting. Will help many looking here who haven't (and give me a good place to find them when I want to read them again!!!!). I'm liking the idea of replacing the T6 and PCT5 lighting on my upstairs 180l tank at some point with these as that's a custom...
  51. Ed Seeley

    DIY LED lighting?

    Cheers for all the inputs guys. My DIY skills are ok, until it comes to what I call fiddly electronics like this!!! Once I know what to do I can get the job done - it's just knowing what bits and peices I need! I hoped, rather optimistically, that those strips might be good enough, but after...
  52. Ed Seeley

    DIY LED lighting?

    I need some help from the more electronically minded of you. After looking at the Maplin links quoted in another thread here I saw these LED Bright strips. I was thinking an array of these might be perfect for lighting a tank. Don't suppose anyone has used them in a DIY job in there house or...
  53. Ed Seeley

    How much difference between T8 and T5?

    You will also get a slight advantage with T5s and good reflectors in reducing the restrike. This is where light produced by the bublb is reflected back into it and wasted. With T5s their slimmer profile means less area for light to restrike and a good (ideally gull-wing) reflector will reflect...
  54. Ed Seeley

    lighting schedule

    Ideally you want about 8-10 hours and I think it's much better to have that in one photoperiod with the CO2 coming on an hour or so before lights on and going off an hour before light out. If you want to see your fish before the proper photoperiod and the room light isn't enough then I'd think...
  55. Ed Seeley

    juwel high light tubes - replacable

    The Jewel onesa are non-standard sizes. I think a few other aquatic companies are making them in the same sizes but not large commercial ones. However apart from that the units are really good IMHO. I like the ones on my Rio 180 and with good reflectors there is enough light for glosso...
  56. Ed Seeley

    Newbie lighting advice

    If you're restricted to DIY CO2 for the time being you can limit any problems by using two bottles, preferably each feeding their own diffuser if you have the space, and split the amount of yeast between the two. You'd then change the bottles at the half way point of the other. E.G. if one mix...
  57. Ed Seeley

    Newbie lighting advice

    The problem that you'll have without CO2 and fertilising is that you will almost inevitably get algae problems. BBA is prevalent in my tanks where I don't have CO2, among others. Whatever light level you choose I would get some CO2 in there, even if it's just a DIY set up (or even better two...
  58. Ed Seeley

    Newbie lighting advice

    I think it's fine in this section as it's definitely a lighting question. :D If you're going for really low tech (i.e. very low light plants like Java fern, Anubias and mosses) then I'd be tempted to stick with what you've got, but tanks like this have always been tricky to keep algae free...
  59. Ed Seeley

    Tubes for Arcadia luminaire

    Look at James's sticky in the lighting forum about using Cheap HO T5 tubes from Lampspecs. He's done pictures of the different bulbs so you can see what spectrums your eyes like. The bulbs are a lot cheaper than aquatic ones too. Beat me to it LD!
  60. Ed Seeley

    Cheap HO T5 fluorescent tubes - Update with photos

    If you mean make it a sticky thread then it already is!!! :mrgreen:
  61. Ed Seeley

    Light Levels

    Further to what Clive has said above; I believe one of the ideas behind the seista theory is that it allows ambient CO2 levels to increase during a period of darkness then allowing better growth when the lights come back on. It is absolutely no substitute for good CO2 levels and I have tried it...
  62. Ed Seeley

    Light Levels

    I'm no expert on fertilising, but it sounds like you may have an issue with a lack of nutrients. I agree with you about the lighting being high so you could either dose more so the plants don't run out in that high light, or cut the lighting levels. I know quite a few American planted tank...
  63. Ed Seeley

    Concerned I don't have enough light.

    I would have thought that 1 watt per litre would have been plenty of light, even for a nano! I ran 11W over my 12" cube and that did ok, but I didn't try high light plants in there. I did have Rotala wallichii and Cabomba growing in there though...
  64. Ed Seeley

    Retrofit T5 light distribution

    Go with a good quality twin unit like the D-D one IMHO. Dead easy to fit, neat under the hood and I believe that unit comes with their gull-wing reflectors which are about the best you can buy. I retrofitted them to my Jewel lights and they are excellent.
  65. Ed Seeley

    Reducing Lighting

    And I'd start by reducing the photoperiod!!!!! I think the point is either should work fine.
  66. Ed Seeley

    Retrofit T5 light distribution

    I've found on my 36"x18"x18" tank that the light distribution was fine with a double unit (a T8 one though) that I positioned just to the front of halfway back. My thinking was to have the most light over the front and middle sections as the back would grow taller and therefore nearer the...
  67. Ed Seeley

    High or low lighting

    A small tank with no CO2 or ferts is likely to be an unstable algae farm I'm afraid regardless of your lighting. I ran a 12" cube for a year with 11W over it and found it was fairly low light really with the way plants grew. I grew Narrow JF, E.tennellus and various stems. I used a nutritious...
  68. Ed Seeley

    Vicenza 180! How many watts?

    What type of T5s are they? Do note that the linear T5s are the best choice as their single, narrow bulbs have much less re-strike (where the light rays bounce back into the bulb) and are therefore more efficient. Power compact T5s are less efficient because of this. If they're PCs then I'd...
  69. Ed Seeley

    Vicenza 180! How many watts?

    IME 2WPG of T5 lighting with good reflectors is enough to grow most plants, including Glosso carpets. The more light you add above the the faster you're driving everything and the more important it is to ensure that CO2 and nutrients are high enough to keep pace with the plant growth.
  70. Ed Seeley

    3 or 4 T5s?

    Well I've got a Rio 180 with the T5 lighting and have found that that does a great job with good reflectors on it's own so I don't think you'd need more than three. However as you're doing the job I think I'd be tempted to fit it to have the option of using 4 and then you can always reduce the...
  71. Ed Seeley

    what watts?? - Rio 180

    I've got the same tank and with enough flow and CO2 I've got loads of plants growing rampantly. I would fit some good reflectors though and D-D gull wing reflectors just fit and are well worth the money - a different class from the Jewel ones.
  72. Ed Seeley

    Light output

    The re-strike issues is the main reason why the gull-wing reflectors do such a good job. They reduce restrike further by their shape. Also this is a good reason why power compact T5s are less efficient as there are no reflectors really designed for them (that I've seen!). I'm using a jewel...
  73. Ed Seeley

    Light output

    T5s with a good reflector also have much reduced restrike (where the light rays are reflected back into the bulb) than T8s upping their efficiency further. This is because each bulb is slimmer.
  74. Ed Seeley

    T8 Lighting up for renewal

    They can be the same colour temperature but they will probably be a different colour rendition. If it were me though I'd go with the £2.30 ones! I find that you really notice any change in the colour for a few days and then you forget it was ever any different! Or maybe that's just me and my...
  75. Ed Seeley

    T8 Lighting up for renewal

    Have you read James's thread on the bulbs that Clive referred to? He has pictures of the colour renditions of various different bulbs. It might give an idea of what colour temperature to aim for. The T6s I've just put on my tank are rated at 11.000K and are a little blue for my liking really...
  76. Ed Seeley

    T8 Lighting up for renewal

    It won't save you any money, but I've just replaced my 24" T8s with some T6s from AE. They use the same ballasts and fittings, you just need a smaller rubber washer in the end to seal them up. They are supposed to be a lot brighter than T8s and they certainly seem so so far.
  77. Ed Seeley

    Check this out!

    I think originally these were designed for reef tanks rather than planted ones to offer an alternative to Metal Halides. They'd probably count as medium light for a reef!!! :shock:
  78. Ed Seeley

    2ft Over Tank Luminaire

    Here's a link, but not below £50 I'm afraid! I don't think you'll find the Arcadia units anywhere for anything near that price!
  79. Ed Seeley

    improving light distribution

    Have you got one bulb or more than one? If you have a number of bulbs and they aren't in a fixed holder (like a Jewel light unit) then you could stagger the bulbs so that they go all the way to each end and overlap in the middle. Other than that you could raise the lights if they're in a...
  80. Ed Seeley

    Lighting and flow for 90cm 200L+ tank

    Sure it will and look forward to the thread.
  81. Ed Seeley

    Lighting and flow for 90cm 200L+ tank

    Yep[ that's what I meant. I have both the inlet and outlet of my Ehiem in the same corner and the water flow is great. Come to think of it my Jewel filter basically does the same as does every internal filter doesn't it, so there really won't be a problem. I actually think flow will be...
  82. Ed Seeley

    Lighting and flow for 90cm 200L+ tank

    To help hide them you could put both intake and outlet in the back corner. With the jet from the outlet the clean water will then do a complete circuit before being taken in the inlet. As both bits of plumbing will be in the same spot there's onlt one lot to hide!
  83. Ed Seeley

    Upgrading to T5

    The new Jewel Highlights units are currently some unique sizes, but hopefully some other manufacturers will start making them in those sizes/wattages soon. My Rio 180 needs 45W and 895mm, whereas the only other bulbs I could find that were 895mm long were 39W! Personally I have a Day at the...
  84. Ed Seeley

    Lighting upgrade advice

    It could cause a few issues yes, but if you get the 4 lamp unit I'm pretty sure they come with two switches so you can turn two off! Then you can phase in the higher light gradually for short periods at the start.
  85. Ed Seeley

    Replacement Juwel Lamp

    If they're T8s, I replaced mine with Interpet Daylight Plus and think they're great bulbs. You might want to look at the Lampspecs site for lots of choices on bulbs at good prices. They have quite a range of T8s as well as T5s. My next bulbs for this T8 fitting are T6s though that are...
  86. Ed Seeley

    Mid Day Ciesta?

    I got around this problem by having a 'dawn and dusk' light over my 40g. It's just a tiny pygmy incandescent lightbulb that comes on before the main lights and goes off after they come on. I had it to come on at 7.45 and then go off after a couple of hours when the main light start to come on...
  87. Ed Seeley

    DIY T5 lighting

    I haven't got a Juwel yet either!!! Got to go pay tomorrow! :wink: I'm just hoping it arrives before I have to back to work next Monday! I doubt it though... :( There are outlets near the top and the bottom, I think the top one is on the front and the bottom one is at the side. The oulet...
  88. Ed Seeley

    DIY T5 lighting

    You're not wrong about George's tanks, but I'm going to stick with just the Juwel kit for now. I have three out of four planted tanks running great with just internal filters and I like them! :D My Ehiem can stay on my 40g upstairs! The only modification I'm thinking of is possibly upping...
  89. Ed Seeley

    Diy Luminair

    Yeah they look smart - going with those with my new Juwel's lighting rather than Juwel's reflectors as they aren't that great IMHO. I was going to DIY my lighting for my new tank, but using T5HO straight bulbs. It would have saved a bit using a single ballast, but not too much. See my DIY...
  90. Ed Seeley

    Diy Luminair

    I'm going to use these gull-wing reflectors from D&D, Razor reflectors, with my new tank.
  91. Ed Seeley

    DIY T5 lighting

    Cheers Andy. I agree it might have been over kill, but as it was going to be a 2ft deep tank, the last thing I wanted was to not have enough light, especially as I was planning on a Glosso carpet. However the whole DIY lighting plan (and custom cabinet) has been blown out of the water by the...
  92. Ed Seeley

    DIY T5 lighting

    Do you mean these Andy? Realux Spectrum Glow It says that you have to throw all of these away when the bulbs go; is that not right? And 4 of those will cost me £143.96 and all the DIY kit for four bulbs will only come to £164.35, including great gull-wing reflectors and bulbs. And replacing...
  93. Ed Seeley

    DIY T5 lighting

    Cheers James. Just got to sort the problems with the cabinet before I can move this aspect of the project on - can't find a cabinet everyone likes! Looks like it might be a DIY cabinet...
  94. Ed Seeley

    DIY T5 lighting

    Cheers James. Hopefully I'll be ok, but the help will be much appreciated if I get stuck. Current plan is two double ballasts that will be mounted on the back of the hood, well away from water splashes, then four 39W bulbs (2 grolux and 2 Osram Skywhites 8000k) will be mounted on the hood...
  95. Ed Seeley

    DIY T5 lighting

    Cheers James, Those Arcadia leads look great and will definitely be the way to go, thanks. The reason I am thinking about fitting a dimming unit is that this will be a tank with breeding cichlids in and a big shoal of Cardinal tetras probably. Having the lights go on and off slowly gives...
  96. Ed Seeley

    DIY T5 lighting

    Hi everyone. After all the help on whether or not to get a juwel tank I've realised the majority were right and I need to do a custom built job. Putting aside the tank, cabinet and filtration etc., as I think I have a good idea for all of that, I need some help with the lighting. Obviously I'd...
  97. Ed Seeley

    11" cube lighting

    BTW you can still inject CO2 into an emersed set up to boost growth. A professor of mine at uni was doing just that in sealed greenhouses to see what the effect of raising atmospheric CO2 would have on photosynthesis. He found the levels of atmospheric CO2 limited growth in terrestrial plants...
  98. Ed Seeley

    Hagen luminary

    I've just been into my LFS and they have a range of these in both twi and single tube versions. The double T5 versions for a 36" is listed as about £60 and, as Sam said, they do look pretty good at first glance. They were selling the reflectors separately too and they look like decent...
  99. Ed Seeley

    T6 lighting in a Jewel light unit.

    As AE are out of the bushings sets I'm looking into some Silicone rubber washers as they have a high heat tolerance. Maybe they might work for your fittings too? This seller has a range on Ebay, http://cgi.ebay.co.uk/Silicone-Rubber-W ... dZViewItem I've e-mailed the seller to check their...
  100. Ed Seeley

    T6 lighting in a Jewel light unit.

    Thanks Richard, I'm glad someone has tried them and liked them! I'm still debating just getting a lumiere and getting rid of the hood, but good to know that they are a good option if not. Cheers.
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