Hanna Marine pH Checker Reagent new 020 is a heavy-duty magnetic

020 is a heavy-duty magnetic aquarium glass cleaner for panes from 15 mm to 20 mm thick

Provides aeration for airstones

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

The Sicce Syncra SDC 9

Y-connections are generally preferred over abrupt T-connections because they reduce friction loss

Hanna Marine pH Checker Reagent new 020 is a heavy-duty magneticHanna 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.