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Sorry, I should have mentioned that an inline heater isn't really workable with my setup. Long story, but this is basically a last resort option other than having the heater visible in the aquarium. Thank you for the suggestion, though. I once had an Eheim thermofilter and it had a near-boiling...

I have a slightly off-the-wall DIY idea that I haven't heard of anyone else attempting, but before I take the plunge I'm hoping to get some opinions on it. Any suggestions or comments are welcome. I'm wondering if there would be any problems (that I've managed to overlook) with putting a...

Re: Solenoid part ? It's not a problem, I'm glad I could help. :) Most of the fittings used for CO2 are standard pneumatic fittings so any good hydraulics/pneumatics shop should sell them.

Re: Solenoid part ? Hose connectors are fairly easy to find. The thread will almost certainly be 1/8" BSPP and the hose fitting will be 6mm OD/4mm ID. At least that's the standard size for CO2 fittings. This a similar direct replacement and a sealing washer...

A single stage regulator has one regulating mechanism which reduces the cylinder pressure from around 55-60 bar to 1-2 bar in one stage. The needle valve then fine tunes the output flow. A dual stage regulator is easily recognisable because it's much larger and often appears to be two...

I would also contact JBL. It sounds like the low pressure gauge was overpressurised and has completely blown out. Replacing the gauge would be simple enough, but you need to know why the pressure got too high in the first place. If the reg has malfunctioned it won't be doing its job and using...

I might be repeating what Paul was saying because I'm not exactly sure where he meant the sealing washer should go. I'm sorry if this is the same information. The small cylindrical nylon tube (maybe about 6mm diameter x 3mm long) is for sealing between the reg and the solenoid, or between any...

I've just looked at the parts breakdown for the Pro 3 600, and it looks like the float valve is virtually identical to the design of the flow rate indicator, but in reverse as a kind of primitive check valve to stop backflow down the outlet pipe. In another thread...

Re: Eheim Pro 3 600 - Swishing Noises If the Pro 3 600 has a flow meter float on the outlet side as the 2080 does and the Pro II's did, it's possible the "ticking" you're hearing is simply the float vibrating in its casing because of the increase in flow you've reported.

The part about the filter seeming to have an air leak still makes me think it was a poor seal or a crack somewhere in the head unit. Impossible to know for sure though, and as long as swapping the head unit fixed the problem it doesn't matter too much. I'm glad you got it sorted. :)

Danny, if the filter is now primed and running but is sucking in air, there must be a leak. The only other thing I can think of is that you still didn't get all the air out, but trapped air will usually resolve itself quite quickly. If it's as simple as the priming mechanism being temperamental...

Unfortunately that did sound a little too good to be true. The Pro II (2026 and 2028) was replaced by the Pro III a while ago now, and any Pro II's are just the remaining stock. Most retailers have put the price UP because rather than trying to clear the old stock, many people still want a Pro...

I think a needle valve adjusts the flow rate at a given pressure, not the pressure itself. The UP atomiser requires higher pressure to force the gas through the ceramic; higher flow makes no difference because without enough pressure the gas still can't go anywhere. Andy's talking about being...

The problem with asking which filter is the quietest is that it's a very subjective question. Some people have better hearing or hear different frequencies, so what's "silent" to one person is unbearable to another. I don't know where the bedroom is in relation to the living room, but I can't...

I used to love the Eheim Installation kits, but after a year or so of use I found the smoked grey ABS would turn cloudy white. It didn't matter so much if all the parts were purchased and installed at the same time, but when I needed to change things around and buy new extensions or fittings...

Re: Swamp Creek - established 20/04/2010 Those were reef white AquaRay 1000HD tiles with ten Cree XRE Q+ LEDs driven at 700mA and fitted with lenses. According to the first post these are GroBeam 1000ND with ten Cree XPE's of an unstated bin, no lenses, and very little other tech information...

Your regulator shouldn't have any problem giving a high enough outlet pressure. I think 1 bar is approximately the same as 1 kg/cm2 so anything between 1.5 and 3 on your regulator will probably work.

I can't see an obvious adjustment handle on the ebay reg, but it's possible the knurled portion at the back is a handle. I don't have any experience with the TMC reg, but again, I can't see an obvious adjustment handle. The D-D regs, on the other hand, have easily adjustable output pressure...

I'm all for the instructions on a filter warning not to rinse media under the tap, or a magazine like PFK warning not to do it. They have to play it safe for novice and experienced readers alike. But if you have an Eheim Classic filled as recommended by Eheim, you're not going to crash the...

I use the recommended media setup and put the Substrat in a mesh bag. Cleaning couldn't be easier. The fine white pad is replaced every time, the bag of Substrat is lifted out and rinsed in a bucket of tankwater to retain the bacteria, the blue foam pad is lifted out and rinsed well under a...

Does the adaptor screw onto the regulator part of the way and then tighten/lock up before it's all the way on? If so, you've got the same problem I had. The reg and adaptor had the same standard thread, but the thread on the adaptor wasn't cut quite deep enough so the threads were locking up. I...

Thanks for the link, Hoggie. My problem is that I can't find anywhere to get the bottle refilled. :? I have BOC, Energas, Calor, and a couple of fire extinguisher places nearby. But the first three only rent out industrial bottles that are far too large, and the fire extinguisher places will...

I recently bought both the Boyu and the UP because I've heard good things about both and wanted to compare for myself. The UP looks a lot nicer and was easier to install because of the lock nuts, but I'm not actually sold on the build quality being better; the plastic seems quite brittle...

Thanks for the suggestion. Unfortunately all of the local Halfords' seem to have only disposable bottles, which are what I'm already using now. I go through one of those in about 2-3 weeks so I desperately need something bigger... just not too big. The ideal would be the 3kg bottles stocked by...

Thanks again for the help, that's basically what I thought. :) I live near Gainsborough and can get hold of fire extinguishers very easily, but I'd really prefer to use a "standard" gas bottle if possible. Trouble is, I'm having a lot of fun *insert sarcasm here* finding anywhere that has them...

Thanks for responding. :) With a fire extinguisher would the orientation of the bottle really matter? I've always understood the reason for standing a vapour-withdrawal bottle upright is to avoid releasing liquid CO2 into the regulator, but a fire extinguisher releases liquid CO2 anyway.

Silly question given how many people are successfully using FE's, but it's something I'm a little concerned about. Standard CO2 cylinders use vapour withdrawal, but because FE's use liquid withdrawal I worry that the regulator could be damaged or frozen if the liquid hasn't vapourised by the...

Unfortunately there's no adaptor (that I know of) to use standard disposable welding bottles on a Dennerle, but Dennerle do now make an adaptor to convert their disposable reg to FE/Refillable if that would be of any use to you. If you want to use standard disposables I'm fairly sure you'll need...

I use Zoobest filter bags bought from AquaristikShop, but Eheim, AquaMedic and lots of other companies make them. I've found the 10x50cm coarse green bag is perfect for the 2217 and doesn't seem to impede flow at all. The starter bulb is exactly as you said, it just means you don't get a mouth...

I definitely agree that 2217's are the way to go. I've used Eheim Pro and Pro II filters for about ten years and recently needed two more. I don't like the look of the Pro III filters so I opted for Classic's, and I much prefer them. The simplicity of the design wins out over the supposedly...

I was hoping someone who uses a disposable to refillable adapter could please help me by posting a picture of the adapter screwed onto the regulator. When I screw my adapter onto the regulator it only turns four or five times before it tightens up and won't go any further; the adapter is...

Yeah, the old style JBL filters came with inlet and outlet pipes a lot like Eheim's green pipes, only in nicer smoked black plastic. The spraybars in the first AE link are like that. The newer JBL's come with the modular InSet and Outset kits, 12/16mm on the e700 and e900, 16/22mm on the e1500...

I didn't mean you didn't know that, Dave, I just meant maybe the person who told you got mixed up. :) If the Dennerle refillables ever used a non-standard thread it must have been a while ago, their CO2 lineup (BioLine/Comfort/Classic) has been the same for quite a few years now. They've only...

I've never heard of Dennerle's refillable bottles/regs being non-standard, but their disposable kits have a non-standard thread that won't fit regular disposable welding bottles. It's possible that's where the confusion came in.

Re: 570l tank - what was I thinking? That's the same size as my tank, although mine is currently more a fish tank with a few messy plants than a planted tank with a few messy fish... With gravel, rocks, wood, etc. you'll probably find a 5x2x2 holds closer to 450 litres. :)

I'm a big fan of push-fit connectors like the ANS splitter on Aqua Essentials. The connections are really secure provided you cut the tubing accurately and push the tube far enough in, but they're also really easy to disconnect if you need to change something. No more fighting to get tubing off...

What kind of tank and cabinet do you have? Unless I've missed it, I realise none of us have asked that question. Some of the filters are very big and might not physically fit if your cabinet is small. Apart from the Tetratec EX2400, which has a reputation for being very noisy, the big brand...

I've never used the 2078 or the other electronic filters so all I can give you is an opinion based on what I look for in a filter myself. Like some of the posts earlier in the thread, I'm not a fan of the electronics simply because they serve no purpose and there's no way they can be bulletproof...

I use two 2028's and two 2217's on my 450 litre, but I understand that's not what you're looking for. If you want one big filter (or at the most two) with big flow, I'd go for the 2080 or 2260.

The list would be shorter if you wanted to know what's the same, Rob. Almost everything has changed. Outwardly they look similar, but the new versions are a lot smaller in size. They pump more water and use less electricity, the magnet mount has vibration damping to reduce resonation, and the...

This is of no real help to you, alzak, but I wouldn't personally go for the 2078 or FX5. The 2078 for all the reasons already mentioned: just because you can do something, and just because it will likely work just fine, it doesn't mean you should or that you need to. We pay a lot more money for...

I'm sorry if you already found these and decided against using them. I've read the thread and didn't see it: http://www.aquaristikshop.com/cgi-bin/n ... temartic_e These are the same valves Aqua Medic use on the AM1000 and their nitrate reductors. I've ordered from AquaristikShop a few times...

Thanks for the links and suggestions, everyone. I'm not massively concerned about the cost of the reg, really; I just didn't want to spend £120 on the D-D kit when it comes with a lot of extras I don't need, and I can buy the same regulator from the OEM for a lot less. The running costs are...

At a glance Dennerle's bottles look just like any other disposable bottle with an external thread, but they have a non-standard thread size so only Dennerle's own bottles will fit on their regulators. It's a way to lock you into buying their products, which I don't want to do anymore - the...

If I'm not misunderstanding what you mean, I do only want one regulator. When I said "disposable reg" I just meant a regulator for standard disposable bottles. :) It's annoying that adaptors are available to make regs for disposable bottles fit a refillable bottle, but not the other way around...

Thanks for the suggestions, Bazz and Paul. The Dennerle reg is a Comfort Line for 600g bottles that I've had for years, so there isn't an adaptor like the one for the Nano reg. For a number of reasons I'd really prefer to stick with disposable bottles rather than an FE, but the difficulty is...

I'm tired of my Dennerle disposable regulator (you have my permission to laugh), both because of the expense of buying Dennerle's refills and because it has a bad habit of wildly fluctuating gas flow. It's definitely not set-and-forget. I've read about two stage regulators giving a much more...

My tank's 5x2x2, holding 450 litres after displacement from gravel/wood/rocks etc. Because of a bad back I use four smaller filters (two Eheim 2028's and two 2217's) instead of bigger filters like the 2080 or 2260; I'd never be able to move them. That gives me 4000lph rated flow/2800lph real...

That's a good tip. :) I always plumb inline equipment with double taps and the ETH is currently on the outlet of a 2028, but with the huge loops of tubing I wanted to avoid. I'll be plumbing it to the inlet of a 2217 that already uses the same size tap, so hopefully I'll be able to do a simple...

Really? I didn't think a syphon would be affected very much by something like the ETH, but your experience doesn't lie. I'll have to see if the same happens for me.

Sorry for bumping and double posting. I got a response back from Hydor, and the person I spoke to said he can't see a problem with putting the ETH on the filter inlet. Just make sure the water flows in the direction of the arrow, make sure it's primed properly and doesn't have air trapped, make...

Thanks for answering, that was the kind of information I was hoping Hydor would tell me if they had responded. :) Back to the drawing board. I see a few more double taps in my future, too.

I searched the forum and couldn't find an answer to this question, and I sent an email to Hydor a week ago with no response, so here's hoping someone might be able to help. Hopefully it's not a completely stupid question. :) I don't have enough room to hang the Hydor ETH behind the aquarium...

When Aquariums Ltd delivered my five-footer made with 10mm glass, the tank overhung the foam pad by about 5mm in some places, and they didn't seem concerned. If it increases the chance of dumping 400 litres on the floor and they didn't mention it, I'll be grouchy. That said, I'm not sure...