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live rock bio balls
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  1. Skimmers & other filtration
    OK, so i have a 72 gallon bowfront that is 2 months old. my live rock is very cured when cycling and have a wet dry filter. iam wondering SHOULD I REPLACE MY BIO BALLS OR LEAVE IT AS IS? for a little bit longer? p.s. what fish would you suggest i add next? and any tips to have my oscis...
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