Coral is a living thing. It can't live in hot(ter) water. Additionally, the minerals will dissolve in more acidic water. The problems of coral reefs are caus

Coral is a living thing. It can't live in hot(ter) water. Additionally, the minerals will dissolve in more acidic water. The problems of coral reefs are caused by the water becoming hotter and more acidic. I fail to see how pumice makes the water cooler and more basic.