its like a brownish mark in the sand do you think its from my live rock or is it time for a water change my last one was 2 weeks ago
ericrayner09;1519803; said:its a 30 gal ive had it about a month and i moved some rocks and i think its algae
ericrayner09;1519803; said:its a 30 gal ive had it about a month and i moved some rocks and i think its algae