Hanna Checker Colorimeters
Hanna Checkers are some of our favorite test kits for testing our reef tanks. These small and innovative little egg-shaped devices make our aquarium-keeping lives so much easier with simple testing procedures and most importantly – an all-digital readout! Perfect for every aquarist, but especially those that struggle determining the color scale on standard test kits.
-
-
-
-
-
-
-
-
Hanna InstrumentsPhosphate Ultra Low Range PPM Colorimeter HI774 Hanna Checker - Marine Water$54.39 $67.99 -
-
-
-
-
-
-
-
-
-
-
-
-
Hanna InstrumentsPhosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water$54.39 $67.99 -
-
-
-
-
-
-
-
-
-
-
-
-
Hanna InstrumentsPhosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water$54.39 $67.99 -
Hanna InstrumentsNitrite Ultra Low Range Colorimeter HI764 Hanna Checker - Marine Water$54.39 $67.99 -
-
-
-
Login and Registration Form