Yes they will but they will also accelerate evaporation. You have a fan in your dump? Or just a lisp
If you A/C the room the tank is, that will keep humidity down and allow evaporation (cooling effect) to continue on humid days which should keep the tank fine. If you have a controller, you can make the fan go on when the temp goes a certain temp, and turn off if it goes below a certain temp
No the dump Lol,,,or invest in a chiller. Power heads off at night will help as well.Looks like you need to move that sump to the basement buddy. Or fire up the AC.
:thrash:Got a chiller last night its set at 78
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If you have a controller, you can make the fan go on when the temp goes a certain temp, and turn off if it goes below a certain temp