Aqueon Algae Cleaning Magnet Medium
Cleans glass and acrylic surfaces. The Algae Cleaning Magnet from Aqueon is the easiest solution to effectively remove algae from your glass or acrylic aquarium. Weighted Scrubber Will NOT Float Away. The bottom-weighted scrubber falls straight down after seperation. The bowed bottom weight allows the scrub pad to rest above the gravel for easy retrieval while reducing the risk of scratching the aquarium walls. Small up to 20G.