the.com/alkalinity
Water's hidden ability to shrug off acid without flinching.
means A measure of how much acid water can neutralize before its pH actually starts to drop.
from From Arabic al-qili, the ashes of saltwort plants leached to make lye, root of alkali and alkaline.
Not the sameAlkalinity differs from pH, despite the family resemblance.
Buffer powerMostly bicarbonate quietly absorbing acid like a chemical sponge.
Reef shieldOcean alkalinity buffers acidification, protecting coral skeletons.
Aquarium lawFishkeepers obsess over it to stop deadly pH crashes.