Thanks for replying,fat meloe! wrote: 19 Sep 2017, 19:32I am not experienced with plecos, but judging from your tank pic I think that even with a dark bottom plecos would highly appreciate sleeping shelters which are more deep and enclosed. It could make the fishes less stressed and thus healthier.Jobro wrote: 15 Sep 2017, 21:10 Also, Redrain, please don't put plecos in an illuminated bare bottom tank. It is just not fair for the plecos.. they want it dark, and the light gets reflected from all sites of the tank. There is no shade at all...
Of course, redecorating the tank when fish are still unhealthy would terrify fish and probably cause additional problems.
I will paint the outside of the bottom dark when I can.