A biological filter medium which creates the perfect colonisation conditions for useful bacteria, due to its large, highly porous surface.
Prices start from: $24.00
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Replacement Cartridge for the Seachem 3 in 1 Algae Scraper.
Includes Plastic Housing, Blade and Pad.
Will fit both models 31cm and 46cm.
Suited for both glass and acrylic aquariums.