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  1. General Freshwater Discussion
    Hey folks, Has anyone used expanded clay pellets/pebbles in their tanks for biological filtration and if so does it work? I'm talking about the type of pellets used for soilless planting in hydroponics, etc. like this I...
  2. General Freshwater Discussion
    Hello folks, I have a few questions regarding colonizing filter media bags in the aquarium but outside of the filter. I've searched online and this forum but can't find an answer. I want to get a couple media filter bags setup so I have them on hand for new tanks. My questions are: 1. What is...
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