Are you asking how to Add the color red, into a torch only tank?how would you compensate the color red in a torch only tank?
it appears to be more green/yellowish
Green, yellow/gold, and purple will be your primary colors for torches but they are not all the same.
If you want red, you could add a red branching sponge. Torches won't care about it and it'll give a very different texture.