Originally Posted by HD Blazingwolf
I like the ph difference for a ballpark reference before a choose drop checker at this point. Between a. 8 and 1.0 ph drop is usually sufficient for most plant needs and light intensities, once u go the high light range, more may be necessary. But ph drops are how i tune my tank in the beginning then adjust from there.
So do you mean you use the change in pH to tell you how much co2 is needed? I had my Co2 controlled by a Milwaukee pH Controller and I didn't like the results, does a method like that result in less Co2 or is it entirely plant dependent?