What is a easy fool proof way to artificially inseminate platys for inter-species breeding?

i read about how to AI live bearers online, they say to use a saline solution after collecting from the male before injecting it into the female, well what is an easier way to do this without having to resort to all the technical supplies, i just want the easiest most economical way.What is a easy fool proof way to artificially inseminate platys for inter-species breeding?1. if they're platies, they'll breed, won't they? that's not inter-species, so you put them together and they do the rest themselves.

2. and yes, dr. frankenstein there are artificial ways to inseminate fish, I see a lot of stressed out fish in your future.

3. what kind of easier way were you thinking there was, voodoo ?What is a easy fool proof way to artificially inseminate platys for inter-species breeding?I suggest candles and some Luther Vandross songs.