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For macro element (NPK) fertilization
Serves as a replacement for Aqueon water changer valves
Performs: 50 tests
Contains no unwanted organic material such as EDTA
make an immediate partial or complete water change and replace carbon filtration
Fritz Pro Carbon AG 0.5 lbs Chlorine Test For macro element (NPK) fertilizationFritz Carbon AG is a high quality, 4x8 mesh granular, activated carbon ideal for use in fresh or saltwater aquariums with all types of filters. Fritz Carbon AG removes dissolved organic compounds (DOC), agents that discolor aquarium water and cause odors, chlorine and chloramines. It will not leach phosphate into the aquarium. Produced from Bituminous Coal. Will Not Leach Phosphate. Large Surface Area Over 300,000 Square Feet Per Ounce. 4x8 Mesh