Bluelab Guardian Monitor Inline Wi-Fi | pH, EC & Temp Monitor wide range thermometer Barcode: 810666009208 M10080B Replace membranes regularly to replacement cuvettes

Barcode: 810666009208

The glass tip uses a special LT glass formulation with a lower resistance of approximately 50 megaohms compared to general-purpose (GP) with a resistance of about 100 megaohms

Need chlorine testing too

The concentrations above are guidelines only

Santevia Gravity System 5-Stage Filter 2-Pack Combo - Best Value

Bluelab Guardian Monitor Inline Wi Fi pH, EC & Temp Monitor wide range thermometer Barcode: 810666009208 M10080B Replace membranes regularly to replacement cuvettes Barcode: 810666009208 The glass tip uses a special LT glass formulation with a lower resistance of approximately 50 megaohms compared to general purpose (GP) with a resistance of about 100 megaohms