my guess is that the chemicals are at different concentrations, causing different rates of reactions, hence them changing colours at different times.
Do not pity the dead. Pity the living. And above all, pity those who live without love. - SuperWhoLock take on a Harry Potter quote
um excuse me but WHO GAVE YOU THE RIGHT
“Don’t steal that one, steal this one.”
RIGHT IN THE CHILDHOOD
I WAS NOT READY FOR THAT.
Journey to the Centre of the TARDIS + Scenerygasm
It takes a great deal of bravery to stand up to your enemies, but a great deal more to stand up to your friends.
This is not okay