This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
oh shit those colors are a standard?
Yes, because most universal pH testers will use the same indicators.
I have a feeling it’s the other way around. They use the same indicators because it’s standard.
Theres some slight variance, but generally, because they usually use the same indicators, the resulting colours will be the same across most tests.
E: Double post because lag, oh well.