Picked it up at Lowes.....$72/gal. Coverage is 300-400 sqft/gal depending on how porous the concrete is. My floor is 15 yrs old,700 sqft, previously painted & prepared with a diamond grinder. I used about 1.5 gallons.
Quikcrete acid etching stain comes in 3 flavors....tan, coffee & cayenne red...