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Precision Test Strips

NAT-1V-50 CHL-10-1V-50
Precision Test Strips quickly test for low levels of nitrite and chlorine.

  • Fast Tests
  • Pool Test Strip Measures pH, free, and Total Chlorine
  • Aquarium Test Strip Measures pH and Chlorine Levels
  • Fifty Test Strips in One Package
  • Test Strips for Nitrite and Chlorine
After immersing the strip in the solution to be measured, the concentration is measured by comparing the strip’s color to a color chart on the package.

The Pool Test Strip is three tests in one—pH, free, and total chlorine. The aquarium test strip simultaneously measures pH and chlorine levels.

Packaging: Each package includes 50 test strips in a resealable package.



Item # Description Range Unit Availability Price Quantity
470123-128 Precision Test Strips, Test: Nitrate, Range, ppm: 0 - 250, Color Chart Concentrations: 0, 10, 25, 50, 100, 250, 500
0 - 250 ppm Pack of 50 Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 1-800-727-4368 or email


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