Jeannie0226 Posted May 11 Report Share Posted May 11 I’m adding metal free to my hot tub. It says to run 24 hours - then check if it needs any further chemicals to balance it out. Do I need to run it with the cover off? Or can I leave the cover on as it runs Quote Link to comment Share on other sites More sharing options...
dashmer Posted May 12 Report Share Posted May 12 With metal sequestrants you don't need to leave your cover off. 1 Quote Link to comment Share on other sites More sharing options...
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