TheDojoMojo Posted July 21, 2020 Share Posted July 21, 2020 Pretty straightforward, but if I were to run a tank temperature on the lower end of the fish's tolerable spectrum, would this decrease the amount of waste the fish produces compared to a tank on the higher end? I'm thinking because it would slow down the fish's metabolism. Link to comment Share on other sites More sharing options...
ForestJenn Posted July 21, 2020 Share Posted July 21, 2020 I wonder how you would test this? Maybe: Do a water change and measure nitrates. Wait 1 - 2 weeks and do another water change and measure nitrates. Note the difference. Lower the temperature and repeat. The problem is getting enough granularity out of whatever nitrate test you're using. My understanding of water chemistry is pretty basic, so perhaps someone could suggest another parameter to measure? 1 Link to comment Share on other sites More sharing options...
Brandy Posted July 21, 2020 Share Posted July 21, 2020 I think @TheDojoMojo is correct that lower temps would lower fish metabolism, but I think the bioload would be hard to empirically measure using a water test because presumably lower temperature also affects the rate at which your BB are metabolizing thru the N cycle. Probably the lower metabolism would not dramatically change your water change schedule, but a lower metabolism can reportedly increase fish lifespan as long as it isn't cold enough to add stress. 1 Link to comment Share on other sites More sharing options...
Brandy Posted July 21, 2020 Share Posted July 21, 2020 (edited) The exception would maybe be fish that are cold hardy enough to basically hibernate of course. Edited July 21, 2020 by Brandy because I can't spell Link to comment Share on other sites More sharing options...
TheDukeAnumber1 Posted July 21, 2020 Share Posted July 21, 2020 Bio load is directly related to how much food you put into the aquarium, if you lower the temperature the fish's metabolism will slow and you can feed less but if you still feed the same your bio load has not decreased. 4 Link to comment Share on other sites More sharing options...
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