Answer:
its the exposure to too much sunlight that causes it to react in that way
1. Overheating during fixation
2. Don't stain smears in which have been only air dried
3. The smears shouldn't be too thick
4. After staining, it's essential that the back of the surface slide is wiped clean
Hope this helped:)
~Nana!~
Explanation:
some ppl change there color to many other colors and some time there shape