x Copper in Water Test Strips 0-2.0ppm (480042) 25 Tests 2025-07-31

Product details (archived)

The information below is retained for reference only. This item is discontinued and cannot be ordered.

John's Copper Check™ (CU⁺¹/CU⁺² - Free Dissolved) - US Patent # 6541369

Package USE By Date: 07/31/2025

• Alternative to wet chemical copper tests for several reasons
  • No hazardous chemicals to mix
  • MSDS is not required
  • Quick results are obtained in less than 1 minute
  • No identified interferences
  • Copper Test Strips are safe and easy to use for fast accurate results within the ranges of 0 to 2 ppm (mg/L), which permits the measurement of typical copper levels found in well, tap, and stream water
• The test is very convenient to run: dip test strip into sample for 30 seconds with constant back and forth motion, remove, and match color after 2 minutes to quantify the Copper level in the sample.
• Sensitivity: 0, 0.05, 0.1, 0.2, 0.4, 1, 2 ppm (mg/L)
• Total test time: 45 seconds
• 25 tests per bottle
• Made in USA