01-15-2012, 10:33 PM
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Originally Posted by djrodan
I was wondering this also. I own the API liquid test kit and for ammonia, nitrite, nitrate, it is very clear. For PH on the other hand, which I've been putting much more attention into monitoring, I find the tests to be very hard to pinpoint. ...and when it's coming down to 7.3 vs 6.9, I find it hard to differentiate. This is the only PH test kit I've had experience with so I don't know if there's better, but maybe someone else has some further input.
Basically I'm trying to see how much my water changes are effecting my tanks PH, and with this test kit it's becoming hard to figure out the details.
I think the next step up from the drip test kits are digital pH monitors. They are about $100. Have you tried looking at the test results under natural light? It really makes a difference for me.