manbeast
Aquarium Advice FINatic
so I just picked up a co2 system off CL with the sms122 controller and I have some questions as it did not come with a manual, mainly the controller seems to be operating in reverse of what I expected. I thought it was supposed to turn on the co2 and let it flow until the ph came down to the set point and then turn it off to prevent ph crash. the one I have doesn't open the co2 valve until the ph gets to the low point and if I'm not mistaken adding co2 then further lowers your ph btw this is on a fw planted tank thanx in advance for your response and advice