How to Dissolve Calcium Buildupに挑戦したい方へ、役立つ ヒントをご紹介します。

Sometimes calcium builds up like a medieval castle. For that, bring in citric acid powder. It’s the stuff in sour candies and lemon juice. Mix two tablespoons with a cup of warm water. Apply it to the crud with a sponge. Watch it fizz. That’s the chemistry of demolition. A pasty pumice stone can scrub off the last stubborn bits—but only on ceramic. Never on shiny metal. You’ll scratch it into a sad, glittering mess.