simply fill your bottle with tap water and let the Power Stick work its magic

Comes equipped with three 1/4 inch T-fittings (also available with 3/8″ or 1/2″ T-fittings)

pH can effect plant nutrient and water uptake and reduce the efficiency of fertilizer

ORP-STOR: ORP Electrode Storage Solution

Milwaukee MA9071 Oxygen Membrane Electrolyte Refill Solution, 220mL Bottle, For Use with All Dissolved Oxygen Units 810666009688 simply fill your bottle withDESCRIPTION The MA9071 electrolyte fill solution is designed for Milwaukee's polarographic dissolved oxygen probe. A high quality electrolyte solution is crucial to the performance of your dissolved oxygen probe. DESIGN FEATURES PRECISE FORMULATION Factory mixed using reagent grade chemicals in a dedicated, temperature controlled environment. TRACEABLE Product labeled with product code, lot number and expiration date. SECURE Air tight bottle with