Monzter NM152 External Nitrate Reactor

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Add the Skimz Monzter NM152 Nitrate Reactor to effectively reduce nitrate in a closed aquarium system. This method converts nitrate to nitrogen gas using sulfur beads. Sulfur beads encourage the growth of anaerobic bacteria as it oxidizes the sulfur.

  • Rated for tanks up 396 gallons (1500 Liters)
  • Method of feeding: Gravity or Feed Pump
  • Feed Rate: 132-264 GPH (500-1000 LPH)
  • Pump: Skimz E2000
  • Total Watts: 31.5W
  • Hold up to 5.5 L of media


To determine how much media your system will need you will need to use the formula below.

Total tank water volume x .006 = Liters of media

Example: 120 gallons x .006 = .72 Liters



  • No need to add a carbon food source to the reactor
  • Recirculating design
  • Water Swirling Chamber (WSC) to minimize dead spots by forcing water upward
  • High precision CNC machined parts
  • Quality Georg Fischer pipe fittings
  • Easy to use



  • Dimensions: 8.11" x 10.43" x 22.05" (206mm x 265mm x 560mm)
  • Body Diameter: 5.91" (150mm)
  • Feed Rate: 132-264 GPH (500-1000 LPH)
  • Accepts common 1/4" OD RO tubing
  • Use with Skimz Sulpur-NO3 Media


Skimz Monzter NM152 Nitrate Reactor Manual

More Information
Media Capacity 4 Cups / 946mL, 5 Cups / 1183mL, 6 Cups / 1419mL
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Product Questions

How much sulfur media will be needed to start this off?
I have a 200 gallon tank with total water volume of 320 gallons.
Do I go off total water volume also or just tank size?
Question by: Dustan Broom on Jun 28, 2016, 1:35 PM
You will use the amount for the full system. 320 gallons x .006 is 1.92 Liter of media to use.
Answer by: Connor on Jul 1, 2016, 11:54 AM