Phosphate Test Strips

Cleartub Verified independent store

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Measures the phosphate levels from 0, 100, 200, 300, 500, 1000, 2500 ppb in just 15 seconds. Each bottle includes 25 test strips packaged in a waterproof PopTop bottle with a molde d desiccant liner, which protects the strips from moisture and UV light. The test strip changes the color of the water in the tube, read the color of the water, not the test strip. This product includes trilingual (English, Spanish, French) instructions. Show more