I have been using catalina for about 16 months and like it very much. My corals are duplicating fish are healthy, no algae problems.
PH tends to be slightly on the lower side.
very nice clean job!
I would love to do something like that but I the front of my tank is bowed.
I may do it across the back and cut out a curved acrylic for the front.
I've been using the 2 part since I started and my ph swings about .2 per day. In the morning it is lowest anywhere from 7.8 to 8.0 and then goes up after the MH have been on for a while. I also noticed a big difference when the Air conditioning is on the PH is lower. Once I open the windows...