Pair #2... really hoping she's a she.
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Pair #3's male (and his female behind him), he's colored up a lot since I got the pairs divided. Hopefully he continues to do so.
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Water changes with RO tonight to get TDS down. I'm in uncharted territory for me as I've never done anything like that with my water. TDS might still be a bit high. Got the RO going again and might do a bit more changing tomorrow to get them down a bit more. Ran out of RO on the bigger tank, which was expected.