Mo

No—use mild detergent only on the exterior; for the interior of an electric kettle, descale with vinegar, citric acid, or a branded cleaner.

Yes, you can run water through used coffee grounds again, but the second cup tastes weak and harsh with little caffeine left.

Yes, you can make tea with cold water by steeping leaves in the fridge for 6–12 hours; it tastes smooth and keeps bitterness low.

Yes, caffeine tolerance builds with regular intake, and it eases after a short break or a taper.

No. Liquid coffee doesn’t char in a microwave, but quick reheating can superheat and make coffee taste burnt—milk can scald.

Yes, you can make tea with an espresso maker, but results hinge on water temperature, contact time, and careful cleaning.

No, you don’t gain true immunity to caffeine; you develop tolerance as your brain adapts and the buzz feels weaker over time.

Yes, coffee counts toward daily water intake, with brewed coffee adding meaningful fluid for most regular drinkers.

Yes, you can cold brew dandelion tea; steep 8–12 hours in cold water for a smooth, less bitter cup.