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KCl-filled silicone cap with internal sponge maintains probe hydration
Invest in IntelliDose for hands-off nutrient management and superior results in your hydroponic garden
The original and industry-standard nutrient meter
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OnePen + Storage Solution Bundle halloween25 KCl-filled silicone cap with internalGet everything you need to keep your Bluelab OnePen accurate, protected, and ready to measure. This convenient bundle pairs the Bluelab OnePen with Probe Storage Solution for hydrating and long term probe care. Perfect for growers who want reliable pH and Conductivity (EC) and temperature readings from day one. Plus, connect to the Edenic app via Bluetooth for real time updates and comprehensive data management. Whats Included Bluelab OnePen Bluelab