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Hydrion Insta-Check 0-13 Mikro pH Paper Dispenser Double roll dispenser of two 15 Insta Check 0-13. Mikro 5/32 tapes and two color charts. Wide range general use paper. Find color match in seconds. 14 different colors.
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Hydrion Insta-Check 0-13 Mikro pH Paper Dispenser Double roll dispenser of two 15 Insta Check 0-13. Mikro 5/32 tapes and two color charts. Wide range general use paper. Find color match in seconds. 14 different colors.
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