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most phosphate test kits available are not capable of reading low levels of phosphate
Each mL contains a minimum of 4 meq of alkalinity
wash with soap and water
Recommended aquarium size: 150 gal
Poly-Filter 12" x 12" Bacteria King most phosphate test kits availableThe POLY FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patented material bonded to a synthetic matrix. By means of a unique proprietary process, the POLY FILTER is made impervious to salt and is also organic loving to certain materials. It can absorb and adsorb contaminants and other toxic materials found in nature or added to fresh and salt water with or without fish and invertebrates.