Coral Essentials Coral Power Boron 50ml Automatic Feeder The green color thread is

The green color thread is barely-noticeable in the aquarium

The diaphragms of these pumps are Japanese silicone rubber cartridges which offer excellent reliability and life expectancy

Polyester/Carbon cartridge provides thorough and effective chemical filtration

Add life and colour to your aquarium

Enhances Fishes Natural Colour

Coral Essentials Coral Power Boron 50ml Automatic Feeder The green color thread isOur Coral Essentials Boron Solution is a concentrated liquid boron additive, 50,000 ppm (mg L). Boron in natural sea water is in the order of 4 5ppm. Boron is a component in the formation of coral skeletons, co precipitating with calcium carbonate. Boron also assists slightly in pH buffering of aquarium water. For the advanced aquarist boron levels in marine tanks should be checked regularly to determine the take up in your system. Calculate boron