Phosphorus Ultra-Low Range Checker - Colorimeter - Hanna Instruments Skimmer Over 350 Gallons 2x Collet Fittings

2x Collet Fittings

Equipped with pH probe holder to monitor PH inside the first chamber of the reactor and built-in bubble counters to monitor Co2 drip rates

Quiet and Controllable VarioS-4S pump

Suggested 800-1100gph

Note: Above models are not pressure rated pump

Phosphorus Ultra-Low Range Checker - Colorimeter - Hanna Instruments Skimmer Over 350 Gallons 2x Collet FittingsGet accurate results for your saltwater aquarium with our simple handheld colorimeter. Our ultra low range phosphorus colorimeter brings you more precise technology from your typical chemical test kit. Standard test kits have limited accuracy since they rely on the user to match colors. Our handheld colorimeter makes your life easier by eliminating color matching and providing you a direct saltwater phosphorus result. Take our portable handheld