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  1. L

    Why don't we use UV lighting on our tanks? does anybody use UV lighting on their tanks?

    I don't mean UV sterilisers integrated into filtration. It seems like a lot of the fish we tend to keep would be exposed to fair amounts of UV light in the wild and I just noticed on a pack of hikari food that it specifically mentions supplementation designed to "support colour retention in UV...
  2. L

    how many hours of illumination is too many?

    When it comes to how many hours you should light your tank for I have seen many contradictory figures, all of which presumably take into account the needs of both the plants and fish, shrimp, etc. In a tank with only flora and no fauna is there any reason why you shouldn't leave the lights on...
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