The problem of developing photos after photography?

The following is my personal experience, some of which I cannot answer.

1, potion temperature (high temperature develops rapidly, but it is easy to overdo it; Low temperature development is slow, and the negative will turn gray after a long time. The degree of use of potions (the old and new degree of potions) ...

2. I don't know the specific name (I haven't done a darkroom for n years). Please refer to the comparison manual.

3, be careful not to overlap, in terms of time, personally think it is not very important. However, it is right to pick it up at the right time.

4, water washing, is to wash the medicine on the photo (negative), otherwise it will leave stains on it after drying.

5. Wash the liquid medicine on the negative, or it will be troublesome to make more than N watermarks! However, this is not important. You can rinse it again. Hehe ~ ~ Don't dry at high temperature, which will lead to peeling or membrane deformation. It is recommended to air dry naturally and hang it in a well-ventilated place. However, attention should be paid to the dust problem in doing so. Dry vertically, don't bend.

6. I can't answer. . . .