Red Sea Reef Foundation B (Alk): A complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH.
Concentration: 1ml will raise the alkalinity of 100 liters (25gal) by 0.036 meq/l (1dKH)
A-B-C sold separately
Red Sea Reef Foundation B Elements - Alk 1kg
C$38.99Price