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Showing results for tags 'red slime'.
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Hey, ive been getting cyanobacteria (red slime algae) outbreaks mainly on the sandbed and a little on the rocks of my 13g. I cant really adjust the pumps because of how small the tank is, and the corals are doing well with the current flow. I just lowered the photo period from 12 to 10 hours on the LEDs the system came with (its a fluval evo 13.5). I make a point not to overfeed and I only feed corals once a week. I do a 5g water change every two weeks. Pictures are below. Any feedback would be greatly appreciated because im completely stymied at the moment.