Combination Supplements for convenient calcium and alkalinity supplementation. These formulations help maintain both calcium and alkalinity levels in reef aquariums. Use these liquid supplements to safely increase aquarium calcium levels without negatively affecting other parameters.
For a combination supplement formulated to bring out the vibrant colors in your live rock, we recommend CaribSea Purple Up. This liquid supplement immediately raises dissolved calcium levels and targets live rock surfaces in your reef aquarium. The result is vibrant accelerated growth of desirable pink and purple coralline algae.