Mag-Float Floating Acrylic Aquarium Cleaner - Medium Pond nitrifying bacteria for over 30

nitrifying bacteria for over 30 years and was the first company to commercially produce nitrifying bacteria for the aquarium industry

Fine grained

2" Diameter x 24" length gravel tube

start a siphon

Mag-Float Floating Acrylic Aquarium Cleaner - Medium Pond nitrifying bacteria for over 30Mag Float Floating Acrylic Aquarium Cleaner Medium The medium Gulfstream Tropical Mag Float Floating Acrylic 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