Red Sea Reef Care KH/Alkalinity Foundation B 500ml WATER TESTING The aquarium safe gravel is

The aquarium safe gravel is available in many designer colours and serves multiple aesthetic and practical purposes in the aquarium and even around the home

Flourish Tabs™ are growth stimulating tablets for plant roots

Flow regulator which can be used to adjust the water flow through the filter

folacin (vitamin B9)

Clean or replace air-tube

Red Sea Reef Care KH/Alkalinity Foundation B 500ml WATER TESTING The aquarium safe gravel isCalcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons. All of these elements need to be available in balanced proportions for coral health and growth. Red Seas KH ALKALINITY is a complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH, and is part of Red Seas complete Reef Care program.