Does it do that all the time? Mine do after feeding. It looks like it may be contacting that torch next to it? What is that torch?
Mines been doing the curling for a long time, it was only one side of the colony and now its affecting more heads. I've moved it to the frag tank on the same system away from the other torches that are fine. How long before it opens up again? I'm sending out an icp later this week.