I have a 125 gallon tank that I am having problems with my pH. When I test using a liquid test kit it tests at 7.8 but when I tested with a strip test it tests at 8.4..I can't figure out which is more accurate. I think the lower one is more accurate b/c my pulsing zenia and pink anthia have declined severly over the last few weeks. I tried using the Oceans Blend pt 1&2 but I stopped b/c it was causing too much fluctuation in the pH. My ammonia/nitrates/nitrites are 0. Anybody having any suggestions?