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Hi everyone, I have a bit of a problem that I need help with. A few days ago, literally a few hours before going to France on a school trip, my CO2 went off. After checking I realised that the bottle, which should have lasted for months, was empty after only two weeks. I had no choice but to...

I have recently changed my pressurised CO2 system and am having some difficulty in adjusting the bubble rate. I currently have the main valve on the CO2 bottle just over half open and am using the fine adjuster attached to the solenoid to control the amount but it is VERY sensitive and I seem to...

I have a HOB filter on my 25L nano planted tank and am concerned that, as the return is via sliders which basically 'drop' the water into the tank, the surface disturbance is stripping CO2 from my water. I was thinking of replacing it with an external and already have a spare Rena Filstar XP1...

I sincerely hope this post doesn't go too close to the knuckle but I thought I should warn you all about the dreadful Aqua One external filter. I received one as part of the set when I bought an Aqua One Aquience tank and it is appalling. There is no way to semi-permanently join the hoses to the...

Is there a rule for adding shrimp? (e.g. one shrimp per 10L or something) I'd like to have just enough to be effective with algae control along with my Oto's in my main tank and on there own in my 25L nano.

Hi everyone, I've recently (and reluctantly) gone a bit more high tech and added a CO2 unit to match my high-ish light output. I bought the D-D unit online and should have received a simple bubble counter/diffuser in one to sit inside the tank (that's what is shown on the website I bought it...

Hi everyone, this is my first post here - I've been inspired by my recent visit to The Green Machine and started again with my planted tank, I have replanted my 220L 65cm cube as a jungle tank. That now brings loads of questions the first of which are: I plan to keep 6 Corydora sterbaii, some...