Hi, I'm having a hard time trying to read this PH test, i know its not the best but its the only one i have, i asked a couple people and keeping getting different answers so im curious what you guys think. Im thinking its around 8.1.

Help, I can't seem to get polyps to open up in my tank. I have a 24 nano, ammonia and nitrates are normal, temp 78, salinity 1.024-5, 10 hour light schedule, good current but there are quieter places. I've tried moving them up and down towards/away from light, higher and lower current, they just...

My pH test came up blue which isn't a color on the chart. What does this mean and how bad is it?

Hello all, ok, I have a 75 gallon tank, I am trying to make it into a reef, but I haven't gotten there yet. Right now there is 50 lbs of live rock, a few hermit crabs and 1 lemon peel angel. My live rock is just now growing back some tiny amounts of coraline algae now that I have FINALLY gotten...