Hanna Instruments, GroLine, Direct Soil and Soilless Media pH Electrode brand-house-and-garden here we grow

here we grow

Highly efficient passive cooling of ballast for longer electronics lifetime

or once plants stop growing vertically

This versatile nutrient supplement ensures your plants thrive in any setup

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Hanna Instruments, GroLine, Direct Soil and Soilless Media pH Electrode brand-house-and-garden here we growThe Hanna Instruments GroLine Direct Soil and Soilless Media pH Electrode is a glass body, refillable, single junction pH electrode with a DIN connector that is compatible with the HI9814 Groline portable pH EC TDS meter. This electrode has a triple ceramic junction in the outer reference cell and the conic pH sensing tip is made with low temperature glass. There is an integrated amplifier and built in temperature sensor for automatic temperature