Hey MArley, looks a bit thick to be a foxtail , but sometimes it does happen, usually it will be thinner growth, but looks like it's starting yes. it's not a major problem actually, you can still smoke it. Hope this helps ! š
Hi Marley!
I've taken a look at your grow and the nutrients you've been using. I would recommend a PK 52-34 powder to mix with your nutrients to bulk up your flowers.
Other than that, they look very healthy.
Best regards.