Although I'd love to sell you some, you'd be better off buying a small quantity like a gallon from a local source.
Anything shy of a drum isn't a feasible purchase. HF must be truck freight shipped, the package services won't touch it in any quantity.
A drum would run $130 - $160 or so to ship...so is a gallon...or a fiver. Even if you pay $25.00 for a gallon locally, you'd obviously still save a ton.
If you washed fleets or had lots of concrete whitening to do, I'd welcome your business with open arms.
This advice is one the the reasons you are respected in this business and by myself!