Bio Balls

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Platinum

Aquarium Advice Regular
Joined
Dec 6, 2003
Messages
71
Location
Glendale, CA
I have heard a lot of things about bio balls and how they are nitrate factories. I have about 180 lbs of LR in 100 gallon tank and it is going to be a reef with many corals. Should i take the bio balls out of the sump? if yes what should I replace it with, if anything?
 
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