Pura Nitrate lock is unique, true nitrate remover that works 100-percent in fresh and saltwater. Rapidly removes and maintains extremely low to non-measurable levels of nitrates in fresh and saltwater aquariums. In freshwater it will remove and maintain nitrate levels up to the resin maximum capacity before regeneration will be necessary. In saltwater expect half of the present nitrates to be removed prior to regeneration. After each regeneration half of the present nitrates will be removed. Drastically reduces number of necessary water changes. Long lasting can be regenerated 100's of times. Regeneration is accomplished with plain table salt quick and completely safe. Completely safe for even the most delicate invertebrates. Convenient to implement. It can be use by placing media bag with resin in a gallon or larger container and soak in 0.5 gallon of chlorine free water for 2 hours. Drain and rinse with fresh water 5 times. This 500-mL Nitrate lock media comes with a 6-inch by 12-inch 300-micron media bag. It treats 50-gallon tank for up to 24 months.
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