Milwaukee EC Pen C66Milwaukee EC Pen C66 Fast & Accurate Electrical Conductivity Tester for Growers Take control of your nutrient solution with the Milwaukee EC Pen C66, a high precision electrical conductivity meter engineered for hydroponic growers, gardeners, and professionals who need fast, reliable EC readings. Designed to be both compact and easy to use, this digital EC pen offers quick and accurate measurements of your nutrient strength, helping you maintain

patio planting

Designed for direct use with AC Infinity AI controllers

The wide mesh opening further improves air passage without restriction

and root support

A variety of spare parts for all your GroTank needs

7m cable with UK mains plug

Pour water onto Blockz for expansion

C-Result shortens your flowering phase by 1 week and ensures more yield

This frees up the pot and plant to continue to grow while your current batch dries

Protects against heat stress

Replaceable probe and probe health indicator

The optimum pH level is 5