Red Sea NO3:PO4-X, Biological Nitrate & Phosphate Reducer 16.9oz

Red Sea NO3:PO4-X, Biological Nitrate & Phosphate Reducer 16.9oz
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  • Item #: RS22203
  • Manufacturer: Red Sea
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Price $17.99
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Red Sea NO3:PO4-X, Biological Nitrate and Phosphate Reducer, 16.9 fl oz


NO3:PO4-X prevents nuisance algae and enables the control of zooxanthellae for optimum coral growth and coloration. This biological nitrate and phosphate reducer contains a unique complex of carbons that are used by nutrient-reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon: Nitrogen: Phosphorus ratio required for each stage. The complex includes other organic bonded elements that are important stimulators in each stage of the reduction process. These metal and non-metals elements ensure steady bacterial propagation and complete nitrate reduction to nitrogen gas and the absorption and utilization of phosphate by the bacteria.

The fine control of the nitrate and phosphate levels provided by monitored dosing of NO3:PO4-X guarantees the gradual changes and accurate maintenance of the nutrient levels, preventing destruction of the zooxanthellae population that can cause UV shock and starvation of the corals.

Unlike some other low-nutrient regimes, correct use of NO3:PO4-X will maintain all of the beneficial micro fauna.

NO3:PO4-X is also recommended as a complete carbon source for use with carbon based de-nitrators.

  • Liquid
  • 500 ml / 16.9 fl. oz
  • The recommended daily dosage is 1 to 3 ml per 100 liters (gallons) of water. The 3 ml daily dosage is for tanks with NO3 (nitrate) above 10 ppm.
  • The Red Sea Algae Control Test Kit can be used to test nitrate and phosphate levels


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