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Small polyp stony corals (SPS) are typically enjoyed by both experienced and novice coral hobbyists. However, we do encourage beginners to do their research to find out each SPS coral’s care requirements for optimal skeletal growth. SPS corals are hard corals that are distinguished by their very small polyps. Our most popular SPS corals for sale are Acropora, Montipora, Stylophora, and birdsnest. These corals require a large amount of light when compared to LPS corals as well as high-water flow in order to thrive in their new environment. SPS corals are the builders of calcium carbonate reef structures found in the wild, and they benefit greatly from clean water and routine access to magnesium, calcium, and alkalinity. Extreme Corals has an incredible selection of SPS corals and SPS coral colonies for sale that feature practically every color imaginable. SPS corals are among the most rewarding corals to grow and observe.