Meijer is selling 6 packs of the 76 oz. boxes for $22.74. Shipping for three packs was a little over $7. Thats still only $5 a box. Best price for my area in store or online.
Im stocked up for my first pool onening is a few months.
The link below-
If you find a better price online let me know. Its very expensive in Orange County Ca.