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When I dose Reef Energy, some of the LPS corals close up and when they reopen, they are a different color?

Date:[2017-06-12]    Back

The contraction of LPS corals after feeding is a common event, especially if they have already absorbed enough food. The coral starts to contract in order to reduce photosynthetic activity and use its available energy in the transportation of the food molecules through the entire colony, during which time it stops feeding and contracts.
The difference in colors is due to changes in the actual location of the zooxanthellae within inside the soft tissue during the transition from feeding to food transport and also related enzymatic activity during these processes.

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