ceramic

  1. B

    ISTA Diffuser big bubbles help

    Just bought a ISTA ceramic diffuser and it is only shooting big bubbles. Package says this should fix after 24 hours but it’s been 2 days now. The diffuser is round and white in colour. Anyone use this diffuser or familiar with what’s going on ?
  2. dw1305

    A novel filter media: Broken earthen pot pieces

    Hi all, While I was looking at the RAS and Archaea references I came upon this paper Khangembam et al. (2017) <"Diversity and Abundance of Ammonia-Oxidizing Bacteria and Archaea in a Freshwater Recirculating Aquaculture System"> HAYATI Journal of Biosciences 24:4 pp. 215-220. It didn't add...
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