3rd I
Besides the mineral oil used in the product that you linked to, I've also seen journal articles on soybean oil and even fish oil. Crocker's Fish Oil (Quincy, Washington) is a processor of fish oil (Omega-3) for humans, livestock and pets.
They also make a product from fish oil that's used as a miticide. I'm definitely not recommending it. Just provided as general information about the use of oils for both powdery mildew and mites.
CC
Besides the mineral oil used in the product that you linked to, I've also seen journal articles on soybean oil and even fish oil. Crocker's Fish Oil (Quincy, Washington) is a processor of fish oil (Omega-3) for humans, livestock and pets.
They also make a product from fish oil that's used as a miticide. I'm definitely not recommending it. Just provided as general information about the use of oils for both powdery mildew and mites.
CC