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hollow in a calcium-deficient situation) and preventing stem breakage
but also protects the plant against external threats from insects and mold
The Hanna GroLine HI981420 Nutrient Monitor is the perfect tool for precision monitoring of your hydroponic
Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer
TrolMaster Aqua-X Touch Spot 16' Ext Cable Nutrients hollow in a calcium-deficient situation)The TSS 2 extension cable is simply a 16 ft extension cable to use with the WD 1 water detectors. It has a male and female end and can extend the distance between 2 sensors (or distance between WD 1 module and the sensor).
US$ 15.95
US$ 26.63
US$ 14.18