Rena SmartFilter 20, Up to 20 Gallons

Revolutionary hang-on-the-back filter using a 4-sided cartridge in a drip-free caddy for ease of maintenance. Powerful and effective filtration with built in dosing port for treatments and conditioners. Has dosing port for all liquid treatments. Hang on the back filter. Patented motor rack. Completely removable motor rack for easy cleaning.


API CRYSTAL BIO-CHEM ZORB SIZE 4 Aquarium Filtration Media Cartridges for API NEXX filters 4-Count Box

The research-grade resin-carbon blend is up to 3x more effective in clearing water than carbon alone. With api aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. With api, you can spend more time admiring your fish, and less time scrubbing your tank. Cleans and clears aquarium water removing debris and aquarium pollutants, heavy metals, including colors, odors, and toxic gases which cloud water and degrade water quality.

Contains a unique superior resin-carbon blend that removes compounds 3x more effectively than carbon alone. Easy-to-use pre-dosed cartridge fits canister filters API NEXX, for freshwater, saltwater, and reef aquariums. Use when starting or maintaining an aquarium, replace every 2 months or sooner if aquarium is heavily stock and/or colors and odors are detected.

Api bio-chem zorb size 4 cartridge uses superior resins and activated carbon to clean and clear aquarium water, odors, removing aquarium pollutants such as colors, and heavy metals. Bio-chem zorb corrects poor water quality caused by pollutants that can suppress a fish's immune system, leading to disease or death.

Replace every two months, or sooner if aquarium is heavily stocked or colors/odors are detected. For over 50 years, api has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. Contains one 1 api crystal bio-chem zorb size 4 aquarium filtration Media Cartridges for API NEXX filters 4-Count Box.

Can be used to remove medication from water once disease treatment is completed.

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