Hanna Ammonia Checker - Freshwater - USED DEMO / OPEN BOX Dragonets Remove the impeller cages and

Remove the impeller cages and related parts carefully

Carbon insert lid: The removable lid includes an activated carbon insert to help reduce noise and odour around the fleece chamber

The IceCap Algae Scrubber Pro - Large is a high-capacity in-sump algae turf scrubber for aquariums up to 350 gallons

The Hanna Marine Salinity Tester HI98319 is a waterproof pocket tester for measuring salinity in saltwater aquariums

Hanna Ammonia Checker - Freshwater - USED DEMO / OPEN BOX Dragonets Remove the impeller cages andUSED DEMO OPEN BOX Hanna Freshwater Ammonia Checker Handheld Checker for Freshwater Ammonia HI700 The Hanna Ammonia Low Range Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a