Don’t mix them together - Spray one, wait a minute or two for it to dry down then spray the next over it - and so-on. Its called layering. The only exception is when you are using oil based pheros like A314, then you keep the oil and alcohol spray points apart as each will adversely affect the diffusion of the other.
Have you had a look at this thread? All the basic info on choosing and using pheros is here: