Litmus pH Test Strips, Universal Application pH 1-14 Test Paper, 2 Packs of 160 Strips

PH Color Chart Intervals: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 pH < 7 is acidic, pH = 7 is neutral, pH > 7 is alkaline Instructions: 1. Take

Litmus pH Test Strips, Universal Application pH 1-14 Test Paper, 2 Packs of 160 Strips

160 Strips Professional 1-14 PH Litmus Paper Ph Test Strips Water Cosmetics Soil Acidity Test Strips With Control Cards – the best products in the Joom Geek online store

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Litmus pH 1 to 14 Test Paper Book 160 Strips Universal Full Range Strips Tester

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