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  1. ian_m

    DIY CO2

    You cant use a solenoid with this type of setup as when the solenoid is off the pressure will continuously build up and either burst or leak the system. What you do is use the solenoid to vent the bottles ie solenoid on a night letting pressure out the system. You just have to cope with yeasty...
  2. ian_m

    Chlorine or Chloramine Level + Testing Inline Dechlorinators

    Some of the "marine boys" batch dechlorinate their water. Something like this (taken from my PLC project). It can actually be a bit simpler. Fill water container with HMA filtered water. Use a peristaltic pump to dose the water with Seachem Prime. Dose sufficient Prime assuming chloramine...
  3. ian_m

    Hope they don’t expect me to pay

    Or you have a leak on your piping after the meter. Turn stop cock off in house and see if meter is still moving.
  4. ian_m

    Can I remove the brace/trim on a fluval roma 200?

    Sometimes the scratches won't show when filled with water. or many people have used this type stuff. GLASS POLISH SHOP - Smart Restoration & Polishing Products
  5. ian_m

    EI DOSING USING DRY SALTS

    When my mate kept marine fish (in the early 1990's) , he stored the generated RODI water in an outside water tub, with a 50W aquarium heater in it (set to lowest thermostat setting) and never had issues with the water freezing.
  6. ian_m

    Yeast DIY CO2 with a solenoid valve.

    Yes this has been done before with a solenoid valve. You must never put a solenoid on the output of yeast CO2 container as in best case pressure will build up and pop off tubes and worst case decorate your room with yeast and sugar mixture. The only issue reported was the smell in the room from...
  7. ian_m

    mystery poop in the garden

    Something left this over the weekend, whilst they were eating all my carefully grown lawn mushrooms....
  8. ian_m

    Water changes whilst abroad

    I went away for 5 weeks, no water changes. Made a dual peristaltic pump setup to dose reduced amounts of macro and micro fertiliser, used an automatic feeder with smaller food amounts, reduced CO2 on time and light on times. Plants & fish were all fine when I got back. Plants maybe not as green...
  9. ian_m

    Experiences with A.I.

    Wanted something colourfull and "cow'ish" and "thought of the day'ish" for my daughters bathroom, as she likes cows. So my attempts with AI picture creation. I think it is really good, with a happy message.
  10. ian_m

    Which in tank heater is the best

    What you do there is place the heater on the same plug as your filter, yes either bodge two lots of wires into plug (:mad:) or use an adapter, so that when you turn the filter off to do a water change the heater gets turned off as well. I am now using a JBL 200W heater (in 180l tank) for last...
  11. ian_m

    mystery poop in the garden

    These specimens I was carefully culturing, by emptying fish tank water over, have been scoffed this morning. Along with this one.
  12. ian_m

    mystery poop in the garden

    I too often have poo parked on my front lawn, usually after all the mushrooms popping up have been scoffed during the night. Not sure, but I think it is deer, certainly not cat or dog, as is very green inside, and not majorly stinky. Identify poo | The Wildlife Trusts
  13. ian_m

    3000 Liter High Tech Planted Tank

    Hmmm. I have had two doser timer failures, both where dosing pump failed to shut off. First failure it dumped 1l of macro mix into the tank, as pump remained on when it should have turned off. Tank ran for many days with nitrate at over 350ppm., before I notice macro ferts container was empty...
  14. ian_m

    180 Gallon Journey

    Nice. Be careful as silicone does not actually stick to most plastics. Quite a few peeps have come a cropper with their tanks, especially with sump baffles being the favourite, where over time the silicone come away from the plastic. Silicone is fine for bonding glass any possibly sealing...
  15. ian_m

    BUYING FIRST RO FILTER HELP.

    Other thing to consider is a booster pump, as most RO systems are rated at 8 bar inlet pressure and 25'C water. If your mains water pressure is considerably lower than 8bar then your RO flow rate will be considerably less than the quoted flow rate. Also some water boards/authorities require...
  16. ian_m

    BUYING FIRST RO FILTER HELP.

    The ammonia in the water is from breakdown of chloramine into ammonia and chlorine and these not being absorbed by the carbon filter due to filter media exhaustion or water flow rate too high.
  17. ian_m

    BUYING FIRST RO FILTER HELP.

    Remember test kits to test your RO water before use !!! This is one case where test kits are useful, as you shouldn't have test kit interfering ions present. This is necessary to check that the pre-filter/membrane hasn't failed. You need to check for free ammonia and free chlorine in you RO...
  18. ian_m

    Life expectancy of aquarium silicone ?

    Dow Corning 785 sanitary sealant has 30 year warranty again UV degradation and loss of adhesion, so would expect aquarium sealant in its quite benign environment to last equally if not longer.
  19. ian_m

    Life expectancy of aquarium silicone ?

    My mate got a 2nd hand 120 litre tank in 1990 (don't know the make, but was rimless with single tube lighting hood, might have be Eheim ?) and finally sold it on in 2019, after he had had it 29 years and showed no signs of silicone degradation.
  20. ian_m

    Gas-exchange experiments

    Even though I wrote the article and would love to experiment finding c (calculated CO2 concentration) and p (calculated CO2 per second) for my tank, I think in my case, spending time fiddling with spray bars, bubble counters and drop checkers is time far more productive. After 12 years of CO2...
  21. ian_m

    Gas-exchange experiments

    I posted this, years ago, about CO2 concentration in our tanks. CO2 concentration...the maths.
  22. ian_m

    CO2 cylnder gets empty very quick

    My CO2 leaks have always been at the bubble counter. First one in 2013 was a cheap Chinese bubble counter where the plastic bottle was attacked by the CO2 and cracked. I then moved onto JBL bubble counters. I had one crack at the pipe attachment but more recently the rubber O ring leak. I did...
  23. ian_m

    EA1500 Planted Pred Tank - Setup has begun

    Be prepared for a cold room if blocking the radiator. Its amazing how cold our lounge gets ,in the winter, if the sofa is pushed against the radiator, pulling it away 6-12 inches and room is warm.
  24. ian_m

    CO2 cylnder gets empty very quick

    Wooow you must have massive CO2 leak/loss somewhere. I get through 2Kg in about 100-150 days (4-5 months) in my 180l tank with a green heading to yellow drop checker. Below is a graph of number of days per 2Kg cylinder, 34 cylinders worth, I get through. Spot the cylinders where I had CO2 leaks...
  25. ian_m

    How do I make this CO2 reactor more efficient

    Couple of things I would do: Put a short length of pipe, internally, from CO2 inlet to near the outflow of the inlet pipe so CO2 is going into the water flow. Maybe even use a ceramic CO2 diffuser, to get finer diffusion. Put another short length of pipe from top of reactor, where CO2 is...
  26. ian_m

    No chelator in soft water ?

    Yes PO4 will react with Fe and precipitate out as plant inaccessible iron phosphate. This is why when using EI dosing, the macro and micro are dosed alternate days to keep the PO4 away from the Fe. In practice many people dose macro and micro together by using chelated Fe and keeping the pH...
  27. ian_m

    Split filter between 2 tanks

    This is one way of doing one filter and two tanks. Still has a failure mode of if connecting pipe gets blocked it will pump the 2nd tanks contents in to the first and onto the floor !!! Personally buy two smaller filters, one for each tank, then if pipes get blocked etc nothing will empty out...
  28. ian_m

    organic/ inorganic nitrate?

    Not ammonia, but urea was the first "organic" compound synthesised from inorganic starting points, thus ruining the prevalent theory of organic compounds were from living things and inorganic compounds from non living things.
  29. ian_m

    Drip Irrigation Advice

    I know someone who used one of these to keep their potted plants watered. I think you place a "drip head" on a spike in your plant pot and attach it to the pipe where the drip head makes a hole in the pipe to let the water out. Controller lets water flow as programmed. 20 Pot Watering Kit |...
  30. ian_m

    fire extinguisher safety

    All of the CO2 cylinder incidents I have seen, all involve incorrect use generally of beer gas CO2, usually large cylinders of 40-50Kg size. One, a cylinder was over 10 years old and had rusted inside burst whilst refilling, which considering they have their aged stamped on should never have...
  31. ian_m

    Swapping T5 to LED

    Retro fit LED tubes are designed for magnetic ballasted fluorescent tube fixtures, rather than electronic ballasts. If you have electronic ballasts you will have to rewire the tube connections. Using BICPenCad, above are "tube" wiring diagrams. 1. Is conventional magnetic ballast (B) with...
  32. ian_m

    Adding RO water directly at 50% water changes

    One thing you should/must do with RO water BEFORE using is test it. This is why storing RO water before use is such a good idea. Many people have suffered "fish issues" where they thought they had 100% RO water when in fact they hadn't due to failed RO unit. I went to an "open day" in local...
  33. ian_m

    Boosting pump?

    No no. You can't run pumps like this in parallel. The failure mode for this is if the Eheim filter gets blocked or pump fails, the other pump may force water backwards through the filter, pushing all the debris/detritus etc out through the other pump and into the tank, defeating the purpose of...
  34. ian_m

    Boosting pump?

    No you can't put pumps in series, without causing issues to one or other of the pumps. One of the pumps may over power the other pump and damage it, this normally shows itself with the impellor being demagnetised on the pump that is being "forced" faster than it wants to run. Much better is a...
  35. ian_m

    Co2 and airstone

    I wrote this about the maths behind CO2 levels. CO2 concentration versus time. The maths...
  36. ian_m

    Advice on buying a RO-filter

    Couple of things: RO units require decent pressure input. They are typically rated for 8 bar input pressure @ 20'C. What is your water pressure ? You can get booster pumps that will dramatically improve the flow. pH is a ratio and as such a pH reading is irrelevant/inaccurate for RO water. Use...
  37. ian_m

    Cheap CO2 system for nanos?

    Some people have put these reactors in a bucket of water with a heater to maintain a constant temperature and they manage to get much more reliable CO2 rate. You turn the heater off at night to reduce the CO2 rate if required. Heating tape wrapped around the container is probably a safer, but...
  38. ian_m

    RO or Just DI Resin

    The DI resin will be exhausted and destroyed extremely quickly if exposed to tap water rather then RO water. The tap water will contain large amounts of ions that the resin will remove and be quickly exhausted. Also the resin will be damaged by chlorine in the water. So DI resin should only...
  39. ian_m

    Eheim auto feeder?

    EKOMIXO Get one of these fish feeders, they have an airline connection that blows air through the food to keep it dry. Mine air runs 22:45 till 2am and every type of food is fine, no clumping and stays dry all the time.
  40. ian_m

    JBL M503 users

    All home user affordable pH probes use the same method to measure pH, a glass sensing sphere membrane electrode full of a reference solution. Putting the electrode in a liquid solution produces a voltage across the membrane proportional to the pH of the solution it is dipped into. Fantastic...
  41. ian_m

    Fire extinguisher CO2

    Not true. The amount of CO2 we use in the aquarium is so small their is no chance of the regulator freezing, I ran my FE laying down horizontal on a magazine rack beside the tank for years with no issue.
  42. ian_m

    Local gas refill

    Looks fine. In majority of non USA world the CO2 connection is standard DIN 477 / BS 341, so UK bought regulators should fit. However due to the presence of the cylinder collar, you might have physical space issues in connecting. Solutions are, sometimes the collar can be unscrewed, some...
  43. ian_m

    Tank size in upstairs room

    When records were a thing :rolleyes: it was marvelous when I moved from an upper floor rented room to a concrete floored house. I could now play a whole side of a record without it jumping due to me breathing/moving in the same room....:eek:
  44. ian_m

    Tank size in upstairs room

    My mate had a tank upstairs, maybe only 100l odd, but had a few minor issues: He positioned the tank in not ideal to view or not in the place he originally wanted so that tank was at right angles to the floor joists, so that tank was resting on the floor joists where they were supported by the...
  45. ian_m

    Solenoid with Tropica CO2 system nano

    Generally with nano CO2 systems you can't use a solenoid, as they are not really regulators, technically they are flow valves. The "regulator" isn't a regulator but either a hole in a metal plate or a metal sponge that restricts the flow of gas, and in fact doesn't do any pressure regulation at...
  46. ian_m

    Dosing pumps

    This is to do with number of rollers in the peristaltic pump. A cheap 3 roller peristaltic pump, can allow liquid to reverse flow back through the pump, as there is a pump rotor position that when stationary still allows fluid to flow through, especially if you locate the pump below the fish...
  47. ian_m

    Leak repair - please help!

    My mate repaired a cracked bottom of his tank (placed tank on hard surface on a grain on sand which cracked the bottom pane in one corner), by siliconing a sheet of glass (from an Ikea picture frame, get the size you need !!) to the inside of the tank over the cracked corner. Lasted at least 15...
  48. ian_m

    Dosing pumps

    Make your own dosing system: DIY Project - DIY dual peristaltic dosing pump with alternate switching. Mine is over 10 years old and still doses fine.
  49. ian_m

    Reccomended PH Probe

    Could be an electrical field issue as pH probes are very sensitive to small electric "leaks" from electrical in tank equipment. Unplug all your tank electrics from the mains socket and try pH readings again and see if there is any difference in reading.
  50. ian_m

    Aquarium water marks on outer panels.

    If they are limescale marks just use Kilrock limescale remover, preferably outside as a bit wiffy. Wash thoroughly, hopefully job done.
  51. ian_m

    water change routine (again)!

    Air stone running for an hour or two once a day removed all my surface film.
  52. ian_m

    I asked ChatGPT fertilizing questions...

    At work marketing, sales and web site have been using ChatGPT to elevate to a new level of complete and utter bollards. :rolleyes:. I have been passed stuff for techinical review, most start OK with a good starter paragraph and occasionally good ending paragraph but stuff in between is a load of...
  53. ian_m

    Wife approved a fish tank! 120L+70L sump+lots of DIY=my planted tank :)

    Please read this on my experience of LED strips. Yours do look to be way away from the water, but even so condensation will be the killer. Wife approved a fish tank! 120L+70L sump+lots of DIY=my planted tank :) Obviously your mileage will be different, as they say.....
  54. ian_m

    Water Meter

    It will work for a while with dirty tank water, before gumming up, despite being on the filtered water side. Look how the spray bars & piping accumulate detritus despite being "filtered water".
  55. ian_m

    Silicone

    Acetoxy silicone (the one that smells of vinegar) requires water/moisture to set, so will set under water, though is difficult to work as it quickly skins over underwater whilst "playing" with it Neutral cure does not release vinegar whilst setting. Be careful a lot of silicone has fungicide...
  56. ian_m

    Filters timed to turn off at night for 2-3 hrs

    I once had my filter on a timer, that turned off 7pm till 11pm when we were in the lounge, where the tank is, so that the room was 100% quite for TV watching. However once or twice the timer came on but the filter pump did not start, just sat there and buzzed, no water flowing. I either heard...
  57. ian_m

    Wife approved a fish tank! 120L+70L sump+lots of DIY=my planted tank :)

    There are a couple of problems with LED strips, some of which I have personal experience. I tried adding LED strips to increase light from my 2 T5 fluorescent tubes. 1. They are not particularly bright, mainly because they have a very wide beam angle and spread a lot of light out sideways...
  58. ian_m

    When to add dechlorinator

    Over Xmas we had no water to 3-4 days, starting 21st December. We were in Andorra skiing, so missed all the fun and games. Many peeps had no water or low pressure water Xmas day, which would make Xmas meal interesting. Many pubs cancelled their Xmas do's and meals as well, great news (NOT) if...
  59. ian_m

    When to add dechlorinator

    Some one on another fish keepers forum lost nearly £700 of fish due to chloramine being added to his tap water due to "emergency dechlorination" from a burst mains water pipe. Normally he just carbon filtered the water into large water butts and aerated & warmed for 24 hours before performing...
  60. ian_m

    Mike's fish room musings

    Yes it does limit the extent the floater can take over the surface. Obviously if doing weekly water changes, like one should be doing, it doesn't really get too dense as you pick some out each week. However in the real world, especially in the run up to Xmas and holidays, my tank is running much...
  61. ian_m

    Mike's fish room musings

    This is what I got to keep my floaters under control. Works well. Otherwise I end up with this....
  62. ian_m

    Raising height of light

    Yes you can get LED drivers than take a 0-10V input, from a potentiometer to control the brightness. Some LED drivers have an inbuilt potentiometer, you twiddle with a screwdriver, to set the brighness.
  63. ian_m

    Raising height of light

    Rather than raise the LEDs Put either darkened plastic sheet in front of LED's. Strips of foil across the LED's to say block 1/3 of them. Get a dimmable LED supply ?
  64. ian_m

    DIY all in one fertiliser solution going cloudy

    In my experience you do actually need both a preservative and acidifying agent, or else, in my experience, either the iron un-chelates and liquid goes "rusty" and a precipitate forms, or the solution just goes mouldy. The acidifying agent, ascorbic acid normally, is needed usually potassium...
  65. ian_m

    Magnesium Sulphate dosing

    Westlab Pure Mineral Bathing Epsom Salt 1KG - Boots Just check it is only Magnesium Sulphate, Some "soaking products", from chemist have oils and perfumes added. I just get mine from some dodgy auction site type place, 2Kg at a time in a poly bag. Apparently my fish and plants won't get...
  66. ian_m

    Fascinating Fungi

    If you have 4G phone coverage, which a lot of fungi places don't eg New Forest, then this web site is good: Edible Mushrooms... It has photo's of cap, gills, stem, skirts (bit left on stem when cap opens), flesh (cut in half), spore prints, smell, taste (break the cap, taste the "milk"...
  67. ian_m

    Fascinating Fungi

    Destroying Angel, found by me on a "fungi identification" course in New Forest at the weekend. Course organiser took it away to prevent " fatal accidents". Rather large Porcelain Fungi. Panther cap. (Amanita pantherina). Don't eat. All know what this is. Used to be eaten quite a lot...
  68. ian_m

    Fascinating Fungi

  69. ian_m

    Fascinating Fungi

  70. ian_m

    Fascinating Fungi

    Me out yesterday, in the woods near my house.
  71. ian_m

    Power cut backup?

    What you need, if your battery pack/UPS doesn't support switch over is one of these. Automatic Power Transfer Switch These automatically switch to battery power if the mains in fails. More importantly they prevent back feeding of your battery fed mains back into the incoming supply which as...
  72. ian_m

    moving from T5's / T8's to LED - retro fit or other?

    Be careful about retro fitting LED tubes in place of fluorescent tubes. Most retro fit LED tubes are designed to be retro fitted to tube holders with magnetic tube ballasts, most aquatic ballasts are the considerably more efficient electronic (Juwel certainly is electronic) and retro LED tubes...
  73. ian_m

    Silicone Hose

    Because silicone tubing has quite a few issues: It is very very expensive compared to standard PVC/polyurethane tubing. Quality silicone is maybe 10 times more expensive. Silicone is hard to clamp and can suffer from creep if using standard jubilee type clips, especially if the wall is thick...
  74. ian_m

    Mixing TNC light with easy carbo?

    I wrote to Union Carbide (major gluteraldehyde supplier) about interactions of gulteraldehyde and EI salts (back in 2012 !!). Replies were: In presence of trace levels of iron salts it will decompose. So that's mixing with micro solution out. Will polymerise with high pH (10-12) and come out...
  75. ian_m

    Power Cuts

    Absolute waste of time. Far too small for anything fish wise. Handy to recharge phone(s) & tablet(s).....err and that's about it. Only 576Wh. :rolleyes:. This energy is only equivalent to 1/16 of a litre of petrol !!!. (9.7kWh/l / 0.576kWh -> 16'th'ish). So @ 40W for a filter this battery...
  76. ian_m

    Spotless Water

    This is because failure/wear out of their RO equipment can leave fish fatal levels of chlorine and or ammonia in the water. No effect for cleaning windows, but deadly for fish. So I think they are saying test their water for chlorine and ammonia before use.
  77. ian_m

    My cities water report

    Ignore the water report. This is for the water companies sampling point on a particular day, not your tap water on the day you use your water for your fish. Just dose your chosen fertliser dosing scheme, think very carefully before doing anything other than dosing EI (Estimative Index) and get...
  78. ian_m

    Nitrate level

    This just shows you why you should never take into account your water parameters when working out ferts dosing levels. I have seen this many many times on this forum, peeps complaining the plants are suffering and you find out they are not dosing EI levels, but some funny version of dosing...
  79. ian_m

    Sodium thiosulfate

    No experience. Just know that people use "dechlor" cartridges to remove chlorine and chloramine. I think you can actually used "plain olde activated carbon" to remove chlorine and chloramine, but flow rate has to be quite slow, to allow chloramine to be broken down and/or be absorbed...
  80. ian_m

    Sodium thiosulfate

    Sorry, you are correct, chloride comes out, which in a RO system is removed by the RO membrane. Exhaustion is a problem, as it will allow chlorine and chloramine through when exhausted. When I had an evening tour of a local fish shop (closed down in pandemic and never recovered) they had a flow...
  81. ian_m

    Sodium thiosulfate

    A "dechlor" filter (activated carbon) will remove both chlorine and chloramine. However the flow rate has to be sufficiently slow to allow full absorption, as the chloramine is broken down to chlorine and ammonia and have to be absorbed by the filter. Many people use these type filters before...
  82. ian_m

    Low nitrate fertilisers

    Why do you want low nitrate ?
  83. ian_m

    BT Internet Connection Problems

    Same with BT here, don't use their router. I use a Draytek 2762 with a Draytek WiFi repeater, work 100%. Generally in my experience intermittent connectivity issues are due to cabling issues either in your house or in the road. I rewired the phone connection in my house so that the incoming...
  84. ian_m

    NpK lawn feed?

    Generally non aquatic fertilizers user ammonia based salts, doubt will be ammonium nitrate (as this is strictly controlled) but things like urea, calcium ammonium nitrate, ammonium citrate and other ammonium compounds. These ammonium based compounds are toxic to aquatic life, which is why they...
  85. ian_m

    12V DC Solenoid

    You could always use a 12V relay to switch whatever voltage your existing solenoid is, 230V ? 12v Dc 8 Pin Relay 2 Pole Might be able to find something smaller (and cheaper) on Ebay.
  86. ian_m

    Solenoid on Tropica Co2 Nano System?

    The CO2Supermarket nano system is the way to go, if you require a solenoid on a small disposable bottle. The solenoid is built into the valve/flow regulator, thus no piping to pressurise up, so no issues. I have a CO2Supermarket single stage regulator from 2012 and works fine. Now on my 32nd...
  87. ian_m

    Solenoid on Tropica Co2 Nano System?

    Wont work, when solenoid turns off the pressure in the tubing builds up and blows the pipe off. The nano systems use "flow valves" to regulate the tank flow, either a small hole in metal plate or metal sponge that limits the gas flow, not really a regulator. You can leave it running 24/7...
  88. ian_m

    C02 bottle

    They don't normally retest fire extinguishers, as new are sufficiently cheap. They take expired ones (that haven't been sold to fish/plant keepers :confused:), empty out CO2, remove valve, sometimes cut off neck to prevent re-use and send to recylcing.
  89. ian_m

    C02 bottle

    In UK, pressurised cylinders should have a date of manufacture stamped on them. The lifetime before inspection & retest, at least for CO2 cylinders, is 10 years.
  90. ian_m

    Experiences with canister filters in a power outage?

    My tank went for 3 days with no power after a substation neutral fault tripped our house RCD whilst I was away. Tank dropped to 15'C odd, but once power was restored all seemed OK. Was winter and house was about 8'C inside which was a nice welcome to come home to.
  91. ian_m

    best timer for solenoid?

    How to use a PLC to control your fish tank. Best timer decision I ever made after repeated failure of digital timers and failure of remote controlled timers. This has been 100% reliable. Been running same code for 6 years now. Do need to fix a spelling mistake and the fact the hours run...
  92. ian_m

    What other hobby's do you have?

    This is how my three pumps pipes are terminated. Macro, micro and liquid carbon, no problems.
  93. ian_m

    "Homemade" Macro fertiliser precipitation issue!

    Try using mono potassium phosphate, as I have heard people having issues with the dipotassium phosphate when mixed with other salts. Not sure what the insoluble precipitate would be, but a quick Google and Wikipedia reveals may be solid precipitate of dimagnesium phosphate. I suspect this is...
  94. ian_m

    Front loading vs daily dosing

    Of course front loading macros precludes any dosing of micros as micros, especially the iron, will react with the phosphate in the macro and precipitate out of solution and become unavailable to the plants. Also the chelates in the micro generally have a short (24 hours ?) lifetime once in the...
  95. ian_m

    Washing up liquid sprayed on wood for aquarium

    I have washed in tank equipment, rocks and wood in washing up water to get clean, rinsed well and put back in tank no issue. The minimal amount of washing up liquid left on well rinsed stuff will soon dissipate in the tank.
  96. ian_m

    Quick.... can you clean plant cuttings of snails?

    Dip the plants in dilute potassium permanganate solution, works well. Also dilute bleach. Also dilute solution of Seachem Excel (gluteraldehyde polymer mix) works as well. Bit of research required to work out correct concentrations will be required.
  97. ian_m

    Juwel Rio - Lighting Options

    I have the iQuatics 4 tube unit on my Vision 180. I bought it with 4 off of their tropical tubes in 2016. I thought tank looked "pinkish" so I replaced two of the tubes with 2 off Juwel HiLite day tubes, these being more white (8000K). Addition of these tubes certainly makes the green of the...
  98. ian_m

    Oily film on water surface.

    When I got an oily film when I started my planted tank I absorbed it up by floating a piece of kitchen towel on the water when necessary or even better was put an air stone (bubble wall) after CO2 had been turned off.
  99. ian_m

    Algaecides (not Glutaraldehyde)

    My mates willow tree was covered in moss & lichen (nearly like algae ?) when it was chopped down, so growing on the bark probably makes no difference
  100. ian_m

    Water conditioners

    Of course the cheapest dechlorinator by far, and as used by fish keepers for years before modern concentrated convenient things like Prime came along, is/was sodium thiosulphate. You can get this from Ebay £6 for 1Kg !!! or you used to, years ago, get it from "ye olde" photographic shops where...
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