Dennis · 4d Extracting calcium from egg shells using vinegar. That reaction is fascinating to look at 💥 https://nostr.d11n.net/0d99dfe180e6b0dd2782912c1e118fa977f5675a762515fd75ffafbfa008c649.mp4 Johnny @Johnny21 1787826574 Cool 👀But what is the purpose? 1
