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Day-Night Control
This tumbler is compatible with the Centurion Tabletop Pro
Promotes continual flower and fruit formation
fragrant flowers
Direct Soil and Soilless Media pH electrode for use with HI9814 grow-light-bulbs Day-Night ControlThe HI12943 is a pH electrode for the direct measurement of pH in soil and soilless media. The HI12943 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
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