Does water hold beneficial bacteria?

  • NoFishBefore

    Changed the title of the thread from “Does water hold beneficial bacetica?” to “Does water hold beneficial bacteria?”.
  • No - only time it is helpful is when you are cycling since it needs to filter feed into your filters.

    Otherwise only other times you have a decent amount of beneficial bacteria in the water is if you just did a gravel vac and you only used a under gravel filter since that is where all of your beneficial bacteria is for this filter type only (otherwise it’s housed in your filter media in your sponge filter/hang on the back/canister).

  • Negative, it holds it in the start but that’s really about it. Water is just water, and all the vast majority of the beneficial bacteria is held within the filter media you are using (substrate if undergravel filter, of filter pads if using a traditional filter).

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