Prolonged Stress
That is really unique
These stress experiments are usually short-term, but this chronic exposure to a low concentration of a harmful substance has allowed us to simulate the field situation as closely as possible.
The warm seawater is the largest threat, but it seems that oxybenzone adds insult to injury by weakening corals in the face of global warming
Coral Reefs Under Pressure
The biggest problem is climate change and you have little influence on that locally
But you do have local control over water quality
https://www.soualiganewsday.com/index.php?option=com-k2&view=item&id=32527:sunscreen-increases-the-damaging-effects-of-climate-change-on-coral-reefs&Itemid=504