I was wondering whether or not I should cover the top of my tank when doing a 3 day blackout. Will it cause the water‘s temperature to increase?
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I turned the skimmer off as I am treating the water with Dr. Tim's Refresh during this blackout.Do you run a skimmer?
If not do not seal/cover the top, fish need air exchange.
Maybe just take the collection cup off the skimmer.I turned the skimmer off as I am treating the water with Dr. Tim's Refresh during this blackout.
Maybe just take the collection cup off the skimmer.
Bacteria consume oxygen.
Not running the skimmer, covering the top, and dosing bacteria will all reduce the available oxygen in the water.