Liquid Test Kits Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. This kit tests for harmful nitrite and measures levels from 0 to 5.0 ppm.

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Aquarium Pharm Test Kit Nitrite Freshwater/Saltwater

  • Brand: API
  • Product Code: API00126
  • Availability: In Stock
  • $5.27