Hanna Marine pH Checker Reagent new Provides aeration for airstones

Provides aeration for airstones

1 x 1/4" red RO waste water line

we ensure that this product closely resembles fresh tubifex worms in color

This product is not interchangeable with conventional 4-inch or 7-inch round filter sock holders

Hanna Marine pH Checker Reagent new Provides aeration for airstonesHanna 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.