I've a few of them, no issues not sure when they began, my newest one is probably 18 months old.
I got 2 Cobolt neo therm's recently they're
My 13" Oscar.
Its been several years since being active in these forums. Still a beginner/novice at best, but have the itch to setup a 72g bowfront that was inherited
What puzzles me is that all of it has the characteristic "broken glass" look of dwarf sag... it's been bugging me!
I switched my photo period to 5/4/5 (7 am - 12 pm on / 12 pm - 4 pm off / 4 pm - 9 pm on) and it has kept it at bay giving my SAE a chance to munch it.