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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 https://www.ikea.com/ca/en/p/odla-growing-media-clay-pellets-50288546/. 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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