Hanna Instruments GroLine 5000 µs/cm Conductivity Standard with Certificate, 230 mL Dechlorinators and Sediment Water Filters Wicking mats can be reused

Wicking mats can be reused or replaced as needed

Shorten the interval during rainy weather or during periods of high relative humidity

therefore eliminating the need for Velcro straps and saving precious space in your work vehicle

capable of adding up to 1

Citrus Yellow Scale aka California Yellow Scale (Aonidiella citrina)

Hanna Instruments GroLine 5000 µs/cm Conductivity Standard with Certificate, 230 mL Dechlorinators and Sediment Water Filters Wicking mats can be reusedHI7039 023 is a GroLine 5,000 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of conductivity standards have been specially formulated to have an expiration of 5 years