Hanna Instruments GroLine pH Tester HI98118 Type_Designed and Built by CityFarm Expiration date and lot number

Expiration date and lot number

Smart Valve x 1pcs

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Display CO2 chart with variable time zoom levels

Raw material: Sphagnum peat

Hanna Instruments GroLine pH Tester HI98118 Type_Designed and Built by CityFarm Expiration date and lot numberWaterproof 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