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bio bale

  1. Skimmers & other filtration
    I have a 29 gal reef tank. Bak pak 2 Skimmer coralife 2x65 watt PC's and i have a Mechanical filter on back. Not sure if its needed. or if its causeing more harm than good. Also i Have the Bio Bale in. I am having trouble with diatoms and wondering if its something simple i can change. I do...
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