Milwaukee C65 Waterproof Conductivity Pen - EC/TDS Meter with ATC & Replaceable Electrode Milwaukee MW802 PRO 3-in-1 pH Purchasing the complete starter kit

Purchasing the complete starter kit saves money versus buying individual bottles and ensures you have everything needed for optimal pH meter performance

It contains calcium

Protect your investment with a case built to Milwaukee's exacting standards

Pocket size makes it ideal for portability and storage

Milwaukee C65 Waterproof Conductivity Pen - EC/TDS Meter with ATC & Replaceable Electrode Milwaukee MW802 PRO 3-in-1 pH Purchasing the complete starter kitProfessional Waterproof Conductivity Pen for EC & TDS Testing The Milwaukee C65 is a rugged, waterproof conductivity pen designed for accurate EC (electrical conductivity) and TDS (total dissolved solids) measurement in aquariums, hydroponics, pools, and water quality applications. With automatic temperature compensation (ATC) and a replaceable electrode, this portable tester delivers reliable readings in any environment. Key Features: Waterproof