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Thanks for the help. I'll try to follow the instructions...cheers. Sent from my HTC One_M8 using Tapatalk

I had a leak from my Mignon CO2 regulator so I took off the outflow nut/valve and three objects fell out - a spring, a valve type thing and a tiny gauze 'pellet'. I've no idea how they fir back in but.....after I tried to tighten the main nut I could not refit/screw in the outflow valve. I think...

I have an Eheim and have never had any burping issues.I have used this method for 5 years plus, just wondered if it was as efficient as I thought it was or if there is a better (cheaper) way to deliver CO2. I guess not. Cheers

I'll keep it going through the filter then I think. Cheers

Cheers Paul and Eastern - I have also been doing this for years but I was wondering about the lack of visible bubbles now. Is it better to have all the CO2 dissolved or in micro bubble form? I've read different things about how the plants uptake CO2 - most saying it has to be in bubble form...

I inject my CO2 directly into my filter intake. This smashes the bubbles up and then they are spread around the tank via the outflow pipe (and flow pump). I do this because I believe that it's a more efficient (read 'cheaper') way to get the CO2 to my plants (happy to be corrected). I used to be...

Ahh - if only I'd known about these!

That's impressive! I tried to put a brass inline one-way valve on my set-up and couldn't get enough pressurre to push through it. My seals on my homeade bottles would just blow. You should post a picture. Cheers

Amazed you can get enough pressure to get it through a needle valve in the first place! I ran 3 x 2L bottles in tandam for several years but eventually the faff got to me and I bought a cylinder system! The best tip anyone ever gave me for DIY CO2 was to add a little marmite to the mixture - it...

That looks like a great bit of kit! I might even be able to follow those instructions. Thanks for that...another idea to toy with:) . I've never noticed any problems but my tank is not 'on the edge' - I have medium light, high plant mass, poor mans fert routine + CO2. It might be different with...

I'm assuming that CO2 reactors dissolve the gas into solution and therefore do not produce a 'mist' of fine bubbles? What method do you use foxfish? I thought I had a plan of action but not so sure now! If you can get it to the leaf! Is there a benefit in the plant uptaking CO2 quicker in a...

Cheers mate and I agree...getting the CO2 into as fine a mist (small bubbles) as possible is the most efficient method to begin the process of getting the carbon to the plants, but it has to dissolve fully for that to happen. The plants cannot uptake the CO2 you can see as a mist, it's still far...

Thanks for the replies guys. I'll put it on the outflow for now. My point about the 'mist' is that it is CO2 bubbles. If I can see bubbles then the CO2 I have injected has not fully dissolved in the water column. It will flow around the tank for a short period of time (even with good flow...

The benefit won't be lost - I don't want the mist in my tank - I want it before then so the CO2 can be fully dissolved by the time it reaches my tank. I currently feed it directly into my U but a finer bubble would be less wasteful and so better on my pocket. I still see this as a 'bucket and...

Sorry for jumping in on an old thread - just like to add my bit as I ran DIY on a 180 litre for many years. It can be done on medium to large tanks I believe and the usual problems with DIY can be avoided (like fluctuating levels). I have to confess that I now use a pressurised unit (that I...

Just got one of these Up Inline diffusers and I'm wondering if anyone has a 'quick release' type set-up that I could copy? What I've been told is that they can get dirty and clog so I'd like a way to be able to get at it as easily as possible. I might also place it pre-filter so it will need...

That is a much better price! Thanks for that...I assume the thread will fit the DD regulator from what I've read above?

I use a disposable DD 500g on my (quite heavily planted) 170 litre tank (on for 10hrs a day) , drop checker lime green and it lasts about 3 months. It's 25 quid a pop though! If you find a cheaper alternative the same size (a FE wont fit my set-up) please let me know.

Or - collapse the bottle as you use the water. Just slowly squeeze the bottle until the water reaches the top and then screw the cap on tightly. If there is no 'air' in the bottle then the fizz has nowhere to go! It stays fizzy.