GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle) galvanic dissolved oxygen probe the Aquamira Series II RED

the Aquamira Series II RED Line Filter keeps your Frontier Flow bottle performing at its best

2x 5-Stage Filters (6 months each = 12-month/1-year supply)

Seychelle pH2O Filters are tested to remove up to 99

Clean the junction regularly to prevent clogging and maintain response time

GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle) galvanic dissolved oxygen probe the Aquamira Series II REDHI7031 023 is a GroLine 1,413 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