Hanna Instruments, GroLine, Direct Soil and Soilless Media pH Electrode brand-house-and-garden Each block measures 4-Inch x

Each block measures 4-Inch x 4-Inch x 4-Inch with 42/40 Hole

Awesome Blossoms™ is a liquid flower fertilizer formulated with macro elements that give you dense

Used with Clonex Rooting Gel or any other rooting agent

Highly efficient passive cooling of ballast for longer electronics lifetime

and bud development in later stages

Hanna Instruments, GroLine, Direct Soil and Soilless Media pH Electrode brand-house-and-garden Each block measures 4-Inch xThe 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