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  1. Fertilizers and Water Parameters
    I am interested in learning more about the freshwater nitrogen cycle and how to support denitrification bacteria. I often find articles that look great and have the level of depth I'm looking for, only to discover it's about a marine environment. Is the nitrogen cycle of the saltwater tank so...
  2. Substrate
    will it be safe to put sand in a freshwater tank i have:fish: 1 rainbow shark,4 clown loaches,2 neon tetras,2 guppys:fish: :thumbsup:And im not getting it from the beach i will buy it:thumbsup:
1-2 of 3 Results