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Hi all, Just replaced the fire extinguisher - I noticed the regulator is showing much higher values than when I connected the first extinguisher.... Is that a problem? Originally it was 900\70 (Pictured below) the new one is 1000\115!

So what's the smallest drop checker people have seen\used? I have a small nano, my current one looks at bit daft :lol:

Hi all, FE ran out a few days ago, just about to change it and noticed the one way valve is full of water. Do you think this would have affected the solenoid\regulator? I can't tell how far the water travelled. Thanks.

Hi all, Does anyone use Co2 with air powered sponge filters? I have a group of nano (27 l) shrimp tanks I'd like to use Co2 on, however they have sponge filters... Would the surface agitation make it pointless?

I've read conflicting information about how tight the Co2 regulator should be, hand tight or as tight as possible with a spanner? It's 800psi I guess so needs to be tight but then again the sealing ring could be damaged if too tight.

Hi all, I'm looking at using a 2kg fire extinguisher for Co2 but a little confused on the available regulators. I want a solenoid to save gas and as few bubbles within the tank as possible but the rest im not too sure. These two regulators seem ok - any experience\input on the difference? CO2...