35+ Coral Turning Brown. Too much brown for too long means photosynthesis overload and eventually the coral will start to expel the zooanthellae. When acclimating your new coral i recommend placing it lower in the tank to prevent shock due to high lighting.
An unhealthy torch coral will have contracted polyps that will eventually recede and turn into a brown goo, leaving.
Table corals come in four different colors, namely red, green, blue, and purple. Why is my moon coral turning brown? The polyps are still out and extended but how do i know if. This acropora turned the dark brown color 4 months ago and has never returned to its original color.