Personally, in the US, I'd go for food-grade plastic. If being frugal, I'd get used food-grade buckets that have only been used for food. For example, I've he

Personally, in the US, I'd go for food-grade plastic. If being frugal, I'd get used food-grade buckets that have only been used for food. For example, I've heard of people requesting empty frosting buckets from cake-decorating stores.