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How long can we keep mixed saltwater? I've never had it more than 2-3 days. Current batch is 2-3 weeks. If kept in a closed container, could it be ok? I have added fresh water to maintain salinity. So what do yall think?
I think I had a batch made up and did not use it for about two weeks. Had a lid on the container and three powerheads in there and before i used it I checked the salinity level and just added more fresh RO water to bring it down.
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