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anaerobic gas pocket
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  1. Substrate
    When I'm not working on planning out my next planted tank, I'm thinking about planting other, future tanks. :) Last night, I was reading about anaerobic pockets potentially forming in dirt and releasing hydrogen sulfide (H2S) gas. This probably won't be an issue with my next tank (10 gallon...
  2. Substrate
    Hi all I had trouble with my sand substrate a little while back, i used flourite and on top sand, but started to develop anaerobic gas pockets, so i started siphoning out all the sand, but i left sand on the very botton of the substrate, and i'm seeing black spots on the under-glass of the...
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