pH experiment??? did you need something.
I can tell you that as soon as I add that thing, my pH, ammonia and nitrate levels were through way off, pH goes down and ammonia goes through the roof - I lost a couple of fish to it because when I measured my ammonia it said I was at 3+, I almost had a heart attack, so to counteract, I added some detox, well, guess what - the ammonia levels were just fine, it was the damn product, and this was 1-2 days AFTER I put the product in the tank - so their claim of it should go away immediately is bull!