Aqueon Algae Cleaning Magnet

Aqueon Algae Cleaning Magnets Remove Unsightly Scum And Buildup From Glass Or Acrylic Aquarium Walls With Ease. The Magnetic Handle Guides The Abrasive Pad From Outside The Tank, Letting You Keep Your Aquarium Pristine Without Reaching Into The Water.Cleans Glass And Acrylic Aquarium Surfaceseasy Replacement Of Worn Down Padsweighted Scrubber Will Not Float Away If Separated From Magnetscrubber Falls Straight Down And Rests Above Gravel For Easy Retrievalunlike Other Magnetic Cleaners, The Scrubbing Pad Is Replaceable After Becoming Worn Out. In Addition, It Will Not Float Away If It Becomes Separated From The Magnet; Its Weighted Base Sinks Straight To The Bottom, Resting On The Substrate For Easy Retrieval.Specifications:Small: Up To 20 Gallons Or 1/4'' Thicknessmedium: Up To 125 Gallons Or 3/8'' Thicknesslarge: Up To 300 Gallons Or 3/4'' Thicknesstip: Remove Magnet After Each Use And Clean The Abrasive Pad To Prevent Algae Buildup.