Glossary
SPS
Small-polyp stony corals — the demanding, fast-growing, colour-shifting end of the hobby.
Acropora and its relatives. They want strong stable light, strong flow and parameters that do not move, and they reward all three with colour that changes as conditions do.
Related terms
- LPSLarge-polyp stony corals — fleshier, more forgiving, and easier to photograph honestly.
- Alkalinity (KH)How much carbonate the water carries, and the single number stony corals care most about.