Hanna PH/EC/TDS/TEMP H19813-6 with Cal-Check Feature Pest & Disease Control Essential nutrients are released gradually

Essential nutrients are released gradually over the season as the protein decomposes in the soil

Each product in the “GO” line enables you to enrich your garden

Total Weight: 36 kg / 79 lbs

Made from 100% recyclable polypropylene

This OMRI Listed insect killer is compliant for use in organic gardening

Hanna PH/EC/TDS/TEMP H19813-6 with Cal-Check Feature Pest & Disease Control Essential nutrients are released graduallyThe Hanna Instruments HI 9813 6 Portable pH EC TDS Temperature Meter with CAL Check Feature is a versatile, water resistant, multipara meter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. It features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the