Hanna Freshwater Alkalinity Checker - Store Demo Timers & Meters Non-compacting 3-5 mm granules are

Non-compacting 3-5 mm granules are optimized for plants with larger root systems

Index mark helps align the cuvette properly in the photometer

CO2 cylinder: Sold separately

Designed for the Red Sea ReefWave 25 pump

Hanna Freshwater Alkalinity Checker - Store Demo Timers & Meters Non-compacting 3-5 mm granules areHanna Freshwater Alkalinity Checker Handheld Checker Alkalinity HI775 BRAND NEW STORE DEMO DAMAGED BOX Overview The Hanna Freshwater Alkalinity 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