I had brown algy starting to grow on my sand i dont know thats the same thing you have going on, but when i did i just bought a bunch of reef hermits and they cleaned it up.
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Originally Posted by smallfish
Hey folks im fairly new to saltwater tanks, i've been running just under a year now and my sand is started to turn brown. I thought it was over feeding but i've changed my feeding cycle to every second day, but it dosen't seem to help. My tank is 46 gal. with 20 gal. sump. 2 chromis,1 manderin,1yellow tang,2 clowns, 1 sand siffting gobbie,cleaner shrimp and lots of lps.
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