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I'm feeling my CO2Art regulator is a weak spot in my set up... Hard to set and, more recently, prone to unpredictable surges of CO2 after attempting to restore the bubble rate. I don't mind investing in good kit but when I look at what's readily available it's hard to discern a good regulator...

Just read enough of this thread to help answer my initial question re definition of "stable" CO2: Stable CO2 The emphasis on flow with regard to CO2 has perhaps also answered a second question, also relative to stable CO2... I recently switched from a Bazooka diffuser to internal reactor, also...

I've switched to a regulator with a solenoid; switching on a couple of hours before lights on. I set the bubble rate to the same as when I had CO2 running for 24hrs (102 BPM) and achieving a good colour in the CO2 drop checker. However, at lights on today (first since adding the solenoid) the...

CO2 Supermarket £139 vs CO2 Art £119... Anyone experience of one or both of these and able to offer some insight into which is the best? I'm happy to pay the extra if it makes a difference. Would even consider the pro versions if it were clear how they are superior... I just need reliable...

Hi, I'm struggling to remember how to measure CO2 concentration using a PH meter... I recall something about measuring a sample of aquarium water after 1 hour. If the PH has dropped 1 point then the concentration is 30ppm but I'm not sure if I've got that quite right... Anyone help fill in the...

I'm expecting my CO2 to run out soon but I don't think I've ever witnessed what the regulator readings are when it starts to run down. In the past I've found it has stopped completely before I've taken time to observe the regulator. Does the regulator indicate when the bottle is nearing its end...

I realise this is like asking how long is a piece of string; however, I'd like to get some idea of how long my 2kg fire extinguisher will last - just so I can get a replacement in good time. Foolishly I neglected to follow some good advice to weigh the extinguisher when it was full and work out...

There does not seem to be a "go to" regulator... The one that everyone swears by. Are they all much of a muchness? Even the retailers don't seem to explain why one may spend an extra £x on one regulator vs another in their range. Confused...

How to diffuse CO2? 55ltr tank with Juwel internal filter: 50mm Bazooka? In the past I directed output from a Juwel internal into what was a cylindrical stepped type reactor(?). It created an opposing flow to the CO2 rising up the steps, just enough to keep the bubbles in suspension. Seemed to...

Anyone here measure their CO2 in low-tech non CO2 fertilised tank? If so, do you use a normal kit or some other method? Is it even measurable?

Anyone know of anywhere that will refill fire extinguishers in SE London / Kent? Cheers