Pay in 4 interest-free payments of $24.50 Learn more
Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Apply in the early morning or late evening
It is OMRI listed for organic use and University tested
it will not seal to the tray
Great for Organic GardeningOMRI Listed and suitable for use in organic vegetable gardens
HANNA GroLine Nutrient EC/TDS Truncheon Tester Fan Speed Controllers Apply in the early morningHANNA Truncheon EC TDS Tester HI98330 Ideal for hydroponics and agriculture applications, the HI98330 GroLine Nutrient Tester accurately measures the electrical conductivity (EC) in mS cm and the total dissolved solids (TDS) conversion in parts per million (ppm) of the nutrients in water. Suitable for plants that need a higher EC, the tester features an extended range up to 6. 0 mS cm (EC), 3000 ppm (500 ppm scale), and 4200 ppm (700 ppm scale). The
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