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35-litre tank

  1. New 35-litre tank cycling and stocking questions

    Beginner Freshwater Aquarium
    I have a newly set up 35-litre tank measuring 44cmLx42cmHx27cmW (roughly 9 US gallons, I think - 17.3"x16.5x10.62 inches). The filter has "bio-balls", then a bag of carbon wrapped in filter material, then "bio-rings". I have a 50W heater and a small airstone in there as well. I have been...