SALTWASH FAQ Free shipping to United States – Enter code freeship at checkout! $10.00 Saltwash® Powder 4-oz Splash!™ Can & FREE Mixing CUP! Buy Now $18.00 Saltwash® Powder 10-oz Can-Covers approximately 15-20 sq ft of surface Buy Now $36.00 Saltwash® Powder 42-oz Can- Covers approximately 65-75 sq.ft of surface Buy Now