Mag-Float Extra Large Algae Cleaner (20-30mm Glass) Gravel - Natural while the integrated spotlight LED

while the integrated spotlight LED makes maintenance time a breeze - even in the darkest corners

A specially designed lock will prevent escape and the doors can be opened separately

Add 1 ml (1/5 tsp) for each 10 gallons or 5 ml (1 tsp) for each 50 gallons or 50 ml (10 tsp) for each 500 gallons of aquarium water

and eco-friendly

Mag-Float Extra Large Algae Cleaner (20-30mm Glass) Gravel - Natural while the integrated spotlight LEDThe Mag Float Small floating magnet easily and safely cleans away nuisance algae with out getting your hands wet. It is suitable for both fresh and salt water aquariums up to 20mm to 30mm in glass thickness. The Mag Float uses powerful neodymium magnets which create a strong magnetic coupling between the two halves, which if separated the inner magnet will float to the surface for easy retrieval. Size 155mm x 65mm x 30mm wet side Model Max Thickness