pH Testing

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pHYDRION Insta-Chek pH Refill

ME-493
Refill test strip paper for ME-193
$3.64

pHYDRION Insta-Chek pH Testing Kit

ME-193
14 colors with 1 paper for 14 pH values. A double roll dispenser containing two 15' rolls and two color charts, one dip determines any pH from 0.0-13.0.
$16.10 $12.05

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