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Mix 1/4 to 1/2 teaspoons (1
It has a helpful lock-on feature as well
Basalt Rock Dust
Moisten rooting media every second day or as needed
CYCO Commercial Series Grow & Bloom is great for all hydroponic applications such as drip systems
Hanna pH / EC / TDS Portable Meter Style:[HI9813-5] Portable pH/EC/TDS/T° Meter Mix 1/4 to 1/2 teaspoonsThe HI9814 is a slim, lightweight, and waterproof portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single amplified probe. The meter operation is simplified with two buttons. One is used for on off and for calibration while the other is used to switch between the measurement modes. The HI9814 has advanced features including an selectable EC to TDS conversion factor (0. 5 500 ppm and 0. 7 700 ppm).
US$ 89.99
US$ 500.00
