
Bluelab pH Pen
Bluelab
Bluelab pH Pen Product Features / Benefits Fully waterproof - not just water resistant Simple two-point calibration process for accur...
View full detailsBluelab pH Pen Product Features / Benefits Fully waterproof - not just water resistant Simple two-point calibration process for accur...
View full detailsBluelab Conductivity Pen Product Features / Benefits Fully waterproof, not just water-resistant Selectable measurement units so you can...
View full detailsBluelab Soil pH Pen Product Features / Benefits Effective in most growing media and in water/solution Fully waterproof - not just w...
View full detailsBluelab Grower's Toolbox Product Features / Benefits Your toolbox contains: Bluelab pH Pen, Bluelab Conductivity Pen, Bluelab Gro...
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