Cleans glass and acrylic aquarium surfaces
Will not float away!
Weighted scrubber
L Large Up to 300 gallons or 3/4" thickness
Falls straight down.
Rests above gravel for easy retrieval.
Aqueon It's all about the fish.
Item No. 100106172
AQE CLNR MAGNET ALGAE LG

Aqueon Algae Cleaning Magnets Glass/Acrylic Large B004BFI98U