This is a whey-derived powder with a high lactose content, a fine-grained structure, a yellowish-white color, and a characteristic sweet smell.
Permeate powder is a product made from whey produced by ultrafiltration of milk after drying. Most of it is lactose, i.e., milk sugar, and it also contains various minerals. It is a sweet, delicious, milk-scented ingredient, and this characteristic is also attractive to carp. Even when mixed in small amounts, it is an effective ingredient in the bait.