Keep getting Hermes and need pro advice

Hermies have nothing to do with fertilizers......... it basically comes down to genetics and the quality of the seeds/breeder......... I would, going on my own past experience, avoid sdsman, they are not breeders, they just repackage bulk seeds bought in from who-knows-where,.......probably the cheapest offering. You can change fertilizers without going through any processes, just change, the plant does not care which bottle the ntrients came from and will only seek out what it needs, regardless of the brand/source of fertilizers. Otherwise, there is something wrong in your set up, like light leaks, but without referring this question to a specific grow and a dedicated diary, not enough information makes it almost impossible to offer meaningful advice.

Don't bother....your feed isn't causing hermaphroditism, it's in your genetics. A variety of stressors get blamed for it but it's not really the root cause. If you're using F1 hybrids it just comes with the territory, F1s aren't stabilized. I would order seeds from a different breeder. Some stabilize their stock better than others. I've NEVER encountered a hermie in one of my home grows in nearly 30 years and only a handful at work. Key to my success? Good genetics.