- Feb 28, 2009
i want to maintain a co2 of 25 ppm in my 55 what bps should i use? thanks
ccLansman;35381 said:agree with shoggoth but...
a bubble is a bubble is a bubble.
p.s. the bubbles are about the same since the tubing we all use is most likely standard size so we all get about the same about of delivery/sec via the diamater of the tube and the relative needle valve position.