What for lighting is it under? How long has the tank been running? How long have you had it? Is it sticky? What are your water params? How long has it been hosting the clown?
<a href=showthread.php?s=&postid=9991626#post9991626 target=_blank>Originally posted</a> by Big Brother
yeah, 175 watt halides are only good on a tank about 20" tall, no taller. the light doesnt penetrate down far enough.