Precautions:
1, if the bottle of apple vinegar can be sealed, there is no need for plastic wrap;
2. When apple vinegar is fermented, just pour out the apples in the bottle, leaving only the original vinegar, put it in a small bottle and move it into the refrigerator for preservation at any time.
Ultra-simple preparation method of pure apple vinegar;
1. First, wash the prepared apples with salt water for later use.
2. Cut the washed apple into pieces with a knife and wait for bottling.
3. Prepare a sealed jar, which can be scalded with boiling water in advance and disinfected for later use.
4. Bottle the cut apples, put a few pieces of rock sugar on the top layer, and finally pour vinegar to drown the rock sugar.
5. Finally, cover it, seal it in a dry environment and leave it for about half a month.