filament

Hey. Got home around midnight and saw this out of our bowerbanki. Someone on fb said mesentery filament. Is that true? Is our coral unhappy or tryng to eat the fish that sleeps right there by that rock? When I Google mesentery filament - there is nothing as big as what was on ours.

Hi all, my son has a 3D printer and a couple of ideas for aquarium related products - One of which is in-water. Does anyone have any reef-safe 3D printing knowledge? I've attached a filament list of the Ultimaker compatible materials, from reading through, the CPE/PET, being FDA food safe would...