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Scientifically advanced Filter Media 2 Pack. Rapids Filter Media supplies optimum mechanical and chemical filtration. As aquarium water is pumped through the filter media' thick poly fiber material, undesirable particulate matter and other waste materials are filtered out. The high grade activated carbon purifies the water, removing dissolved organics, discolorations and odors. Ideal for filtering aquarium water, this premium activated carbon is far more efficient than interior charcoal, plus it wil not raise phosphate levels or affect pH. To ensure optimum performance, replace the Rapids Filter Media every two to three weeks depending on number of aquarium animals and daily feeding habits.

Removes nitrates in marine systemsEngineered for good water flow characteristics, and maximum adsorptionNitrate Sponge is a granular zeolitic medium which works by two methods: 1) It slowly, but directly adsorbs small amounts of ammonia that are released by fish and natural processes, and 2) it fosters anaerobic bacterial denitrification due to its physical porous structure. This denitrification slowly reduces nitrate levels in the aquarium. It works well in freshwater tanks or tap water to remove toxic ammonia directly Nitrate Sponge prolongs the time allowed between water changes by keeping nitrates low. 2 qt. jar treats a 50 gallon tank. This media (like all media) must be used in a media bag.

Removes nitrates in marine systemsEngineered for good water flow characteristics, and maximum adsorptionNitrate Sponge is a granular zeolitic medium which works by two methods: 1) It slowly, but directly adsorbs small amounts of ammonia that are released by fish and natural processes, and 2) it fosters anaerobic bacterial denitrification due to its physical porous structure. This denitrification slowly reduces nitrate levels in the aquarium. It works well in freshwater tanks or tap water to remove toxic ammonia directly Nitrate Sponge prolongs the time allowed between water changes by keeping nitrates low. 2 qt. jar treats a 50 gallon tank. This media (like all media) must be used in a media bag.

The Nitrate Reductor is designed specifically for safe nitrate removal. Filled with Bactoballs for a huge amount of surface area, nitrate-reducing bacteria are easily maintained and fed using the enclosed Denimar tablets for precise dosing. The unit also features probe mounts for use with an ORP controller so that the bacteria can be fed in exact relation to NO3 levels. Deniballs can also provide automatic feeding for independence from chemical feeding methods (none included). Place inside the tank, beside it, or in a sump. Comes complete with re-circulating pump. 6.4" L x 6.4" W x 20.8" H.Nitrate Reductor for fresh and saltwater tanks up to 250 gallons.Deniballs Refill - Patented, organic plastic media for automatic feeding. 0.8 L. 24 balls.Denimar Refill - Chemical food supplement for Mini and Regular NO3 Reductors. 150 grams powder.

The Nitrate Reductor is designed specifically for safe nitrate removal. Filled with Bactoballs for a huge amount of surface area, nitrate-reducing bacteria are easily maintained and fed using the enclosed Denimar tablets for precise dosing. The unit also features probe mounts for use with an ORP controller so that the bacteria can be fed in exact relation to NO3 levels. Deniballs can also provide automatic feeding for independence from chemical feeding methods (none included). Place inside the tank, beside it, or in a sump. Comes complete with re-circulating pump. 6.4" L x 6.4" W x 20.8" H.Nitrate Reductor for fresh and saltwater tanks up to 250 gallons.Deniballs Refill - Patented, organic plastic media for automatic feeding. 0.8 L. 24 balls.Denimar Refill - Chemical food supplement for Mini and Regular NO3 Reductors. 150 grams powder.

Filter pad

Chemical filter media for the reduction of ammonia, nitrite and nitrate Rechargeable chemical filter resin for use with new or established freshwater aquariumsUse Nitra-Zorb to help reduce fish loss when setting up and cycling new aquariums A water filtration medium composed of natural and synthetic ion-exchange resins. Selectively removes toxic ammonia, nitrite, and nitrate. Contains no phosphate, will not affect pH, and is compatible with activated carbon. Media, in convenient pouch, can be easily recharged with freshwater aquarium salt. Small 20 gallon size fits easily in Whisper filters. For freshwater use only.

Chemical filter media for the reduction of ammonia, nitrite and nitrate Rechargeable chemical filter resin for use with new or established freshwater aquariumsUse Nitra-Zorb to help reduce fish loss when setting up and cycling new aquariums A water filtration medium composed of natural and synthetic ion-exchange resins. Selectively removes toxic ammonia, nitrite, and nitrate. Contains no phosphate, will not affect pH, and is compatible with activated carbon. Media, in convenient pouch, can be easily recharged with freshwater aquarium salt. Small 20 gallon size fits easily in Whisper filters. For freshwater use only.

Chemical filter media for the reduction of ammonia, nitrite and nitrate Rechargeable chemical filter resin for use with new or established freshwater aquariumsUse Nitra-Zorb to help reduce fish loss when setting up and cycling new aquariums A water filtration medium composed of natural and synthetic ion-exchange resins. Selectively removes toxic ammonia, nitrite, and nitrate. Contains no phosphate, will not affect pH, and is compatible with activated carbon. Media, in convenient pouch, can be easily recharged with freshwater aquarium salt. Small 20 gallon size fits easily in Whisper filters. For freshwater use only.

Chemical filter media for the reduction of ammonia, nitrite and nitrate Rechargeable chemical filter resin for use with new or established freshwater aquariumsUse Nitra-Zorb to help reduce fish loss when setting up and cycling new aquariums A water filtration medium composed of natural and synthetic ion-exchange resins. Selectively removes toxic ammonia, nitrite, and nitrate. Contains no phosphate, will not affect pH, and is compatible with activated carbon. Media, in convenient pouch, can be easily recharged with freshwater aquarium salt. Small 20 gallon size fits easily in Whisper filters. For freshwater use only.