LPS stands for Large Polyp Stoney corals. Some examples of LPS are frog spawn, brain corals, hammer corals, etc. Often can be keep under VHO or Power Compact lighting. 長觸手硬珊瑚
SPS stands for Small Polyped Stoney coral. You will also hear them refered to as Acro's. They are hard corals with tiny polyps which require a lot of light, usually Metal Halide. 短觸手硬珊瑚
