HydroponicsBrands Adwa Adwa Adwa AD12 pH/°C (WATERPROOF) Adwa AD12 is the most advanced microprocessor based IP67 Waterproof pH/Temp pocket testers in the market. Fast, stable and precise, these testers are for users that require the greatest accuracy. Si... Best Seller Recommended In Stock €33,95 Add to cart Adwa AD31 EC/TDS/°C (WATERPROOF) AD31 is a waterproof Conductivity, TDS and temperature tester. The housing has been completely sealed against humidity. All Conductivity and TDS readings are automatically temperature compensated (ATC... Best Seller In Stock €38,90 Add to cart Replacement Probe Adwa AD12 pH/°C (WATERPROOF) Replacement Probe for Adwa AD12 pH/°C (WATERPROOF) In Stock €16,70 Add to cart