Fritz Aquatics Mardel Copper Safe for Freshwater and Saltwater Aquariums, 48 oz (3 x 16 oz) Scooby-Doo The built-in QuietFlow filtration system

The built-in QuietFlow filtration system keeps water clean and clear with a constant

The Cascade Submersible Heater is a top quality heating element with superior insulation and heat distribution

Both versions easily mount to any wall with detailed instructions and the included hardware

Made with Advanced Yeast Extract

Fritz Aquatics Mardel Copper Safe for Freshwater and Saltwater Aquariums, 48 oz (3 x 16 oz) Scooby-Doo The built-in QuietFlow filtration systemFritz Mardel CopperSafe Saltwater and Freshwater Medication is a broad spectrum aquarium medicine formulated to fight off ick, velvet, and other external parasites. It effectively keeps aquarium water clear of parasites for up to one month. For ick, velvet and other external parasites Saltwater and freshwater medication Treats water for 1 month CopperSafe is safe to use with UV Sterilizers, Protein Skimmers, Wet Dry and Diatomaceous earth filters.