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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Equally useful as a commercial drip /spillage tray for oils and chemical storage
reduces storage and shipping costs and takes minutes to assemble
The main feature is the extreme quietness in operation
Early stage/seedling: 80-100%
- Humidity (20 - 95%) indoor and outdoor
PH 4.0 Calibration Solution light meter Equally useful as a commercialP H 4. 0 calibration solutions a must in every grower's toolbox A clean probe is an accurate probe Bluelab pH Pen Cleaning Instructions Bluelab pH & Soil pH Probe Cleaning Instructions Bluelab Soil pH Pen Cleaning Instructions pH 4. 0 calibration solution MSDS Available in two sizes 500ml and 250ml
