HM Digital 20 Pack Mix: 1000ppm TDS, pH 4, pH 7, pH Storage Solutions
Regular price
$22.46 USD
Regular price
$24.95 USD
Sale price
$22.46 USD
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- 20 pack Assorted Solutions
- 5 20 ml packets pH 4 buffer
- 5 20 ml packets pH 7 buffer
- 5 20 ml packets pH storage solution
- 5 20 ml packets EC/TDS calibration solution
