Sahari, if u worried about the left over F1, sale some of it to me, I'm ready to help you to keep and breed them.. oh ya.. this is the experiment I promised:

Experiment 1:
1. a pair of male Neon Tuxedo + trio female golden german yellow tail tuxedo.
2. F1 you get red tail tuxedo and sky blue tail tuxedo, take only sky blue tail tuxedo.
3. F2 you will get 1:16 super white sky blue tail tuxedo for each birth.

This is an experiment to obtained super white. Try it!