Fitness tips: how to clean milkshake cups

1. Charcoal: Let him put it in the cup until he absorbs the smell.

2. Baking soda: Add baking soda or vinegar to the cup, open the bottle cap and leave it overnight, and clean it the next day.

3. Lemon: Squeeze lemon juice into the cup and fully cover each cup surface in the cup.

4. Coffee powder: from adding coffee powder to absorbing odor.

5. Exposure: Take the cup to an environment where it can be exposed to the sun and let the strong sunlight take away the odor.

6. Add coffee powder, leave it overnight and clean the bottle.

Brewing skills/tips:

Add the liquid first, then add the protein powder.

Before you start shaking, please make sure that the bottle cap has been buckled, otherwise it will spill everywhere.

Don't brew with water with too high temperature, so as to avoid excessive pressure in the bottle, which will cause the lid not to open and blow out.