Mag-Float Glass Aquarium Cleaner - Nano Predators / Large Oddballs Ammonia is the leading killer

Ammonia is the leading killer of tropical fish

but it is also a peaceful and easy-to-care-for species

Size : 250 microns

Add to a high-flow area or

Don't worry about having to drill or hammer your rock

Mag-Float Glass Aquarium Cleaner - Nano Predators / Large Oddballs Ammonia is the leading killerMag Float Floating Glass Aquarium Cleaner Nano The nano Gulfstream Tropical Mag Float Floating Glass Aquarium Cleaner uses two a strong magnetic connection to allow easy and hassle free cleaning on the inside of the tank, all without getting a drop of water on your hands. With one half of the device on the outside and half on the inside, you can move the magnetic scrubber around the inside of the tank to eliminate build up of algae and other smudges