The HI7075 1.7M KNO₃, 0.7M KCl fill solution is manufactured specifically for the HI4110 double junction solid state fluoride ISE and for the HI5315 double junction reference when used with the HI4010 solid state half cell. This solution is made with reagent grade chemicals, deionized water, certified weight-checked balances, and Class A glassware.

Convenience of individual packaging

• Ideal for users that do not calibrate frequently

Each bottle marked with lot number and expiration date

• Hanna fill solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.