Bluelab pH 4.0 Calibration Solution – 500 ml US
pH 4.0 calibration solutions – a must in every grower’s toolbox
Features:
- Contains 500 ml/16.9 fl oz
- Boost your pH products’ longevity with regular cleaning and calibration
-43%
Bluelab 4.0 500ml
$7.19 Save:$5.00(43%)
Description
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