PRODUCT FEATURES CONTAINS (1) 2LB RESEALABLE CANISTER Use F-8 to neutralize & brighten wood after the use of alkaline based strippers & cleaners. It can also be used to remove mild rust stains from concrete, vinyl siding and others surfaces caused by irrigation. F-8 is sold in 2 lb canisters Reviews Featured Products Mosmatic Mosmatic DGV Swivel 3/8"M X 3/8"F $49.75 Add to Cart F-10 Percarbonate Cleaner $11.07 Out of stock F-13 Gutter Grenade Starting at $16.22 Choose Options 5/8" Polybraid Tubing Starting at $32.39 Choose Options