Join Date: Mar 2013
Location: London, Ontario
Though I assume that it's not recommended, would I be able to test the influence of the HOB filter by shutting it off overnight? If surface agitation is a main culprit, and if I shut the filter off, would pH be expected to drop after just one 12 hour "night" period?
I will look into finding a drop checker. But is the ph-KH relationship (through pH and KH test kits) completely unreliable? Shouldn't I still see some kind of pH change, but just not be able to rely on the test kits for an "accurate" calculation of CO2?
In other words, if I eliminate the HOB, I should see better gas dissolution/distribution. And if I get a drop checker, I should be able to more accurate estimate the concentration.