Hanna HI1290 pH Electrode | Replacement Probe for HI98112 Piccolo 2 810666001023 Standard replacement: Every 6-12 months

Standard replacement: Every 6-12 months for typical household use

IP-67 Waterproof Housing — fully submersible and field-ready

🏊 Swimming Pools: Maintain 1–3 ppm free chlorine for residential and commercial pool safety

With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics

The HI50036P Quick Cal solution is designed for use with all Hanna Groline meters featuring the Quick Cal function

Hanna HI1290 pH Electrode | Replacement Probe for HI98112 Piccolo 2 810666001023 Standard replacement: Every 6-12 monthsProfessional replacement pH electrode designed specifically for the Hanna HI98112 Piccolo 2 pH tester. The HI1290 features a built in temperature sensor for automatic temperature compensation, gel filled reference cell for maintenance free operation, and a durable ceramic junction ideal for general purpose field applications. Key Features & Benefits Built in temperature sensor Integrated ATC for accurate pH readings across temperature variations Gel