sponge

  1. RolyMo

    Nano or Sponge Filter

    Hi Guys & Gals I am a couple of months into my new shrimp tank which is populated with plants and CRS and all doing well. The nano tank I got came with a Dennerle nano filter which has worked well to date. It silently ripples the water surface in my low tech tank. Oxygen is supplied by a...
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