Reef Adv Calcium 1Kg

Build stronger, faster-growing corals with a dependable calcium boost that helps keep your reef thriving. Seachem Reef Advantage Calcium is a highly concentrated (anhydrous) calcium supplement designed to safely raise and maintain calcium levels without throwing your aquarium chemistry out of balance, and this 1 kg size gives you plenty of dosing power for long-term stability. Want richer skeletal growth and more consistent results—without the guesswork?