Hanna Direct Soil EC Tester - HI98331 Airflow Meters Want to know when the

Want to know when the fish are likely to be biting in your little corner of the world

activated charcoal

or in dry pumping conditions

the Defender calibrator is easy to use

Versatility

Hanna Direct Soil EC Tester - HI98331 Airflow Meters Want to know when theThe Soil Test Direct Soil EC Tester HI98331 is a rugged and reliable pocket sized tester that offers quick and accurate readings. The Soil Test Direct Soil EC Tester HI98331 features a stainless steel penetration probe for direct measurement of conductivity in soils. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conductivity measurements in soil.