I had cyanobacteria in my tanks and although by shutting off the lights it slowed their growth down, they do not completely disappear from the tank. The only effective remedy that I know is to use a product called "Red Slime Remover" from Chemiclean. It eliminates ALL the cyanobacteria in the...
I collected oyster shells and sea water from Breezy Point, Queens which is facing the Atlantic Ocean. I strained the sea water through a cloth expresso coffee filter and cleaned the shells under tap water. I set up all my nano reef tanks this way. The tanks were teeming with microscopic life...