Okay here is the scenario... I have a 55 gallon with 2 three stripe damsels and a seabae clownfish, a frogspawn, a toadstool and another coral that I'm not sure of and about 30 lbs of live rock. I recently changed out my substrate because I was unhappy with the crushed coral and could not get control of my Cyanobacteria problem. I replaced it with 70 lbs of white sand about 2 weeks ago. After a week I had the diatom bloom which is still here and then early this week I starting getting cyano
again. I can't seem to get control of it.
I feed every other day a small chuck of frozen brine shrimp and my lights are on for 9 hours. My readings are fairly stable except for a slight spike in nitrates to 10
I'm open to any suggestions. I thought about turning off the lights for a few days. It I was wondering if the coral would survive off of the incoming light from the window.