Wood Brightener & Wood Neutralizer for Wood Decks, Wood Fences, Wood Siding, and Log Cabins - Citralic - Woodrich Brand - Covers up to 3000 Square Feet - Safe to use on all types of wood - Easy to Use THE PERFECT Ph BALANCER FOR PRE-STAIN PREP - Ideal for use after EFC38 or HD80 as a brightener and neutralizer. EFFECTIVELY REMOVES RUST AND TANNIN STAINS - Makes the dark streaking from rust or tannin stains disappear. SAFE FOR USE ON ALL SPECIES OF WOOD - Balanced to protect the natural sugars and oils in your wood. GIVES YOUR WOOD A LIKE NEW LOOK - Brings out the natural colors of the wood for that even, fresh cut look. EXTREMELY EASY TO USE - Simply apply to the wood and rinse with a garden hose for perfect results.