Mark H. Posted September 15, 2021 Share Posted September 15, 2021 I bought 2 lines of super red plecos (3 fish each line) about 3 months ago. While they quarantined, I set up 2 new 40 breeders and decorated them similarly, sand, wood, caves etc. Each tank was aged a month with fritzyme-7 and 6 corydoras to keep cycled. Anyway, one tank is fine with 1-male, 2- females breeding away The problem tank: 2 of the three plecos died after about a month ( 2 months after I received them) I found one pretty quickly, but the other was buried and skeletal before I found it. The third pleco seems just fine, although maybe a bit lonely. Yesterday I add a "new" pleco that I've had for at least 9 months, which dies within 24 hours, just found her a few minutes ago, stomach bloated. This tank does have some BBA, but other than that I can't find any differences. All of my tanks test similarly, but Nitrates are low, soft, low GH, high KH, PH ~ 8. 75 deg F, HOB filter rinsed a few days ago in well water. Original lonely pleco is still ok. Ideas? was thinking of adding the Corys back in to displace aggression. It will be a month before any of my other fry are ready to go in that tank, but I really don't want to sacrifice them needlessly. Link to comment Share on other sites More sharing options...
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