Water level used to rise a couple of inches, but the pipe diameter was 4 inches, that's quite a difference volume wise. I don't think there's any other way round either going bigger diameter, or pumping in less air, maybe even finer bubbles if they are so large they combine to form a big bubble that forces it to act like a pump, making a mess. Smaller bubble makers clog quicker.
Actually I use 4 of them. I could pretend that was intentional, but honestly that was just how many fit nicely in my sump ;)
Since my tank has grown up a bit, I've got 2 (3) yeast bottles in operation, adding CO2 to limit the pH to 8.4ish, which is a lot less hassle than trying to get the pH up. Kalk goes in at night, bicarb 2 part during the day. Tiny skimmer is activated by my ancient pH controller which draws in the CO2;
With a big slurry reactor I imagine the worst part will be disposing of all the calcium carbonate particles that accumulate. It wasn't too bad for me as I could just lift up the bubble lamp and tip it away, quick rinse, refill. I expect a semi-recirculating design (air pump fed primarily from previously reacted air) would be most effective, as long as damp air doesn't cause electrical issues. Feeding the reactor with already low CO2 air definitely helps out, even if from outside.
And then use the calcium carbonate residue in a calcium reactor!
I love recycling - waste on one side of the coin - resource on the other!
Thank you for answering, but, my understanding was from a materials standpoint, NaOH is more potent and would be more effective at scrubbing co2.
By the time you've sorted this out, pH shouldn't be an issue. This tank is about 4 years now. Thanks dry rock.
