Without a doubt, home brewers, without sale to others, will be legal. Getting the supplies to do so however, may be a different story. the FDA will shut down the supply if they wish to go after the home brewer.
JMHO
Not if the product has been sold before 8/8/2016, they legally have two years to keep selling that product as of now, not to mention the said products sole intent of use, look up bullet coffee
Now what your state does may become a different story ..................