Bluelab pH Soil Pen - Waterproof Digital pH Meter clay pellets Why Potassium Silicate

Why Potassium Silicate

80 mesh screen filter

Versatile Performance: Handles a wide range of pruning

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Bluelab pH Soil Pen - Waterproof Digital pH Meter clay pellets Why Potassium SilicateProfessional pH Testing for Soil and Growing Media The Bluelab pH Soil Pen is a rugged, fully waterproof digital pH meter designed specifically for growers. Get accurate pH and temperature readings in soil, coco coir, potting mixes, and nutrient solutions with this versatile, professional grade pen. Why Choose the Bluelab pH Soil Pen Fully Waterproof: Not just water resistant built to withstand deep water plunges and harsh grow room conditions