http://www.thekitchn.com/feedburnermain
You’ve probably seen a post or two on social media at some point praising the ability of eggshells to add to calcium to soil. It’s true that eggshells are mostly made of calcium, and calcium plays a big role in determining the soil’s pH — a measure of a soil’s acidity or alkalinity — and an important factor in plants’ overall health.
Filed under: Fitness