Cuts cleaning time! Over 7 inches wide. Safe for glass or acrylic aquariums. Won't rust and won't add any metals to the aquarium. Won't scratch acrylic or glass like metal blades do!
Cuts cleaning time! Over 7 inches wide. Safe for glass or acrylic aquariums. Won't rust and won't add any metals to the aquarium. Won't scratch acrylic or glass like metal blades do! Soft enough to reach into and clean out previously scratched glass or acrylic. Will clean out algae that naturally grows in such scratches!