Hanna Marine pH Checker Reagent new and low-nutrient methods can reduce

and low-nutrient methods can reduce dissolved amino acids that corals may otherwise absorb from the surrounding water

Provides aeration for airstones

Feedings should be as regular as possible

secure plug membrane

1 x 1/4" red RO waste water line

Hanna Marine pH Checker Reagent new and low-nutrient methods can reduceHanna Marine pH Checker Reagent Hanna Marine pH Checker Reagent HI780 25 is the replacement reagent for the Hanna HI780 Marine pH Checker, used to measure pH in saltwater aquarium samples. HI780 Marine pH Reagent Designed for the Hanna HI780 Marine pH Checker. Provides reagent for 100 marine pH tests. Uses the Phenol Red method to create a pH dependent colour reaction. Simple liquid reagent format uses 5 drops per test according to Hannas procedure.