Bluelab Digital pH Pen sale protective design that can handle

protective design that can handle regular use while maintaining consistent performance

Stainless Steel parts for Closed Column Extraction & Passive unit

The RS is also maintenance free and cost effective just like the other Can-Fans

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Bluelab Digital pH Pen sale protective design that can handleIntroducing the Digital pH Pen By Bluelab The Bluelab pH Pen helps monitor the nutrient level in your plant's solution to ensure healthy growth. The pen measures both the pH and temperature of the solution and has a backlit LCD display for easy reading. It also has a successful pH calibration indicator and is fully waterproof for easy use. The temperature of the solution should be kept between 18 22C for optimal growth. This handy tool is powered by a