Hey guys havnt been on in a long time , I have a question. I have been having issues with a red algae on my rocks also green hair algae on the glass and powerheads.. The only thing ive changed is I replaced my actinic bulb but I cut down the time its on..ive been doing 5gallon water changes every two weeks or more. With r.o water I have coral that are being covered with this green and red algae ...i cant stop it what should I do