Tums of the Sea

How good is the ocean's natural antacid?

Just as a pepperoni pizza with spicy sausage can leave a person reaching for antacids, a diet high in carbon dioxide can disrupt the delicate balance of the ocean’s chemistry. This odorless, tasteless, invisible gas in Earth’s atmosphere is the ocean’s equivalent of tomato sauce. As the atmosphere mixes with surface seawater, carbon dioxide dissolves into the ocean.