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GH pH 4.01 (32 oz)
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GH pH 4.01 (32 oz)
Gardeners can adjust their pH meters to 4.01 with this 32-ounce Calibration Solution. Simply immerse the pH electrode in the solution for one minute prior to calibration.
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SKU
1418
Weight
2.50
lbs
Price:
$
23.95
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