Hanna Instruments GroLine pH Tester HI98118 Type_Buffer Solution Temperature chart of the actual

Temperature chart of the actual pH value at various temperatures printed on each sachet

Hanna’s line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet

Target zone indicator

What's in the package

and other vegetables

Hanna Instruments GroLine pH Tester HI98118 Type_Buffer Solution Temperature chart of the actualWaterproof 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