The ocean naturally absorbs CO2 from the atmosphere, acting as a carbon sink. This capacity is determined by a natural chemical property referred to as ocean alkalinity. If the alkalinity increases, the ocean has the potential to absorb more CO2. There are several proposed methods that can do this, which are referred to as ocean alkalinity enhancement (OAE). One technique involves adding mineral substances to seawater to increase its CO2 absorption capacity. However, the environmental consequences of such interventions are not yet fully understood.