SimplexHealth Nitrite and Nitrate test strip are designed to test for Nitrites & Nitrates in water. The Nitrate pad detects Nitrate in solution at 0, 10, 25, 50, 100, 250, & 500ppm. The Nitrite pad detects Nitrite in solution at 0, 0.5, 1, 5, 10, & 25ppm.
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