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HM Digital 20 Pack Mix of 1000 ppm TDS, pH 4, pH7, pH Storage Solutions
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Department: Cannabis Grow
$24.95
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
Purchase directly from GrowAce20 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






