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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...

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...

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...

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...

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...