Feminized Seeds , Whats Your thoughts!?

It’s from breeding with fems. The sexual purity of a line can be tested by stress. In short I’ve played with this as I’m a hobby breeder. And know this to be true. I’ve dumped a few hundred seeds I got in trades and will dump another 300. Just because I have proven genetics of my own. I’m saving 20 strains that I might try someday but will only get to half in the next 5 years. I want nothing to do with the polluted genetics out there.