H hefty m Member Jan 7, 2011 #1 Im using grodan 1in cubes and keep getting excessive algae that forms on top of cube. How do i prevent this from happening? Algae is black. Aside from bottom feeding what else can i do to stop this? Dehum?
Im using grodan 1in cubes and keep getting excessive algae that forms on top of cube. How do i prevent this from happening? Algae is black. Aside from bottom feeding what else can i do to stop this? Dehum?