D dendro982 New member Jul 8, 2007 #1 What this could be: They grow on the plastic heater protector, that covers tubing. Around 1/16-1/32" (1-1.5mm). Wild guess will be some white hydroids. Your opinion?
What this could be: They grow on the plastic heater protector, that covers tubing. Around 1/16-1/32" (1-1.5mm). Wild guess will be some white hydroids. Your opinion?