Reef Foundation ABC+ is a blend of all of the foundation elements with the addition of potassium, bromine and iodine in the unique ratio required by corals.
Red Sea’s Reef Foundation ABC+ is a uniquely formulated powder supplement containing all of the elements of Foundation A, B & C,
plus Red Sea’s Coral Colors A & B (potassium, boron, iodine & bromine)
formulated in the exact ratio as found in the coral skeleton.