Don’t throw away your eggshells anymore: you can use them surprisingly well for that

loosen superficial dirt.

Of course, do not use this with sensitive glass or surfaces that scratch easily.
6. The mixer trick? You’d better be careful with that

Online, the tip regularly makes the rounds that frozen eggshells would ‘sharpen’ the knives of a blender.

That sounds practical, but a blender is not designed to sharpen its knives in this way. Hard materials can cause wear or damage parts.

If you want to maintain your blender’s knives well, follow the manufacturer’s instructions.
Thoroughly clean before you keep it

Do you want