Milwaukee pH54 Waterproof pH Tester | Replaceable Probe Pen Meter | ±0.1 pH Accuracy royal berkey The SE220 is Milwaukee's top

The SE220 is Milwaukee's top selling lab grade electrode for a reason

Complete Installation Package

56 ft cable provides exceptional reach for large tanks

Displays 3 parameters (pH/EC or TDS/Temp) simultaneously

meeting North American safety standards for food-contact materials

Milwaukee pH54 Waterproof pH Tester | Replaceable Probe Pen Meter | ±0.1 pH Accuracy royal berkey The SE220 is Milwaukee's topDESCRIPTION The Milwaukee Waterproof pH54 Tester is one of our most accurate low cost, rugged and reliable pH testers in the market featuring the ability to easily replace the probe providing for years of carefree use. It's simple 2 point manual calibration is simple to use. Ideal for use in aquariums, hydroponics, horticulture, education and many other applications. The Milwaukee Waterproof pH54 pH tester offers: ACCURACY The Waterproof pH54 tester