Best Seller | Algae Pad, Pack of 3, 4.5 IN, White Seachem Algae Pads are non-scratch algae pads for glass & acrylic. The melamine foam uses micro abrasive technology to easily remove algae from the sides of your aquarium. They are particularly effective at removing algae from scratches. They are... ... more Algae Pad, Pack of 3, 4.5 IN, White Seachem Algae Pads are non-scratch algae pads for glass & acrylic. The melamine foam uses micro abrasive technology to easily remove algae from the sides of your aquarium. They are particularly effective at removing algae from scratches. They are... Petco.com | | $12.99 go to store |