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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
tested and loved by growers for decades
The Primary efficiency filter
Grow Proud
such as tomato plants
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Bluelab pH Pen tent accessory tested and loved by growersBluelab pH Pen This user friendly and hardy handheld pen will take measurements in increments of 0. 1 pH and is fully temperature compensated, so you can expect accurate readings every time. Bluelabs products are designed and built for grower environments not the lab so you can relax knowing that your pen can withstand the knocks, drops and deep water plunges that come with everyday growing. The fully waterproof Bluelab pH Pen is designed to float
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