Hanna Replacement Test Reagent Vial Cap Triggers & Filefish Highly repeatable dosing: Solenoid timing

Highly repeatable dosing: Solenoid timing is accurate to +/- 1/1000 of a second

providing simple always-on supplemental warmth for tropical fish setups

or when product water quality is no longer where it should be

2 x Cable Ties

Mechanical Floss and Carbon Filtration for BioCube Aquariums

Hanna Replacement Test Reagent Vial Cap Triggers & Filefish Highly repeatable dosing: Solenoid timingHanna Replacement Test Reagent Vial Cap The Hanna Replacement Test Reagent Vial Cap is a single replacement cap for compatible Hanna glass cuvettes used with Checker HC colorimeters. It is useful for replacing a lost, cracked, stained, or worn cap without replacing the full cuvette set. Single Hanna Checker Cuvette Cap Replacement cap for Hanna HI731321 style glass cuvettes. Compatible with Hanna HI7XX Checker HC colorimeters that use these cuvettes.