Salifert Calcium Test Kit Powerheads & Gyres Prime may be added directly

Prime may be added directly to the aquarium

Compatible with standard HiBlow HP-60 air pumps

Doc Wellfish's Long Handled Glass Aquarium Algae Scraper

Place the compatible 3/4 inch Loc-Line parts into the pliers according to the assembly direction

Product type: Bulkhead barb adapter

Salifert Calcium Test Kit Powerheads & Gyres Prime may be added directlySalifert Calcium Test Kit The Salifert Calcium Test Kit is a titration style aquarium test kit for measuring calcium levels in reef, marine, freshwater and pond water with clear colour change results. Calcium Testing for Reef Stability Calcium is one of the major elements used by stony corals, coralline algae, clams and other calcifying organisms. Regular testing helps reef keepers maintain stable calcium levels and make better dosing, water change