Hanna Instruments GroLine pH Tester HI98118 Type_Buffer Solution The HI981030 Soil pH Tester

The HI981030 Soil pH Tester features a built-in probe that has been carefully designed for taking direct pH measurements in soil for environmental and agricultural testing

Your HALO2 GroLine Soil pH Tester comes with cleaning solution that is engineered to keep your electrode free from organic materials found in soil

The HALO2 GroLine Wireless pH Tester (HI9810302) is GLP compliant

Measures photosynthetically active radiation (PAR) from 400 to 700 nm

IP67 waterproof and floating design

Hanna Instruments GroLine pH Tester HI98118 Type_Buffer Solution The HI981030 Soil pH TesterWaterproof High accuracy Renewable cloth junction Automatic calibration Automatic shut off Long battery life Item Descriptions The GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic nutrient solutions. The maintaining of an optimal pH is essential to maximize optimum growth. The general rule of thumb is that as pH increases the solubility of minerals and nutrients decrease. It is important that nutrients are soluble for