Dr_Shakalu,
Aquaclear makes a surface skimmer that fits on the input tube of the Rena XP canisters. I have one on all my freshwater tanks to remove the persistant film that's on the surface of the water. They work great!
Aquaclear makes a surface skimmer that fits on the input tube of the Rena XP canisters. I have one on all my freshwater tanks to remove the persistant film that's on the surface of the water. They work great!