i noticed this white type fuzz buts its hard (not soft like the other white things that grow on rocks). how should i get ride of this? should i just pick at it with a screwdriver or something or leave it?
i just broke my bowling ball rock and its all white and smooth in the middle with some small earthworm type worms slithering through the holes. is it suppose to be white n smooth?
i have a 15 gallon acrylic tank that has jbj pc that cover just the hole on the tank. i was wondering if i get bigger pc lights would it be wise to let the lights rest on the acrylic. it wont melt the tank, right?