Toilet Tank Cleaner, Toilet Tank Cleaner, Primary Chemical None, Surfaces for Use On Hard Nonporous Surfaces, Container Type Bottle, Container Size 1 lb, Fragrance Lemon, Ready to Use/Concentrated Ready to Use, Recommended Dilution Ready to Use, Cleaner Form Powder, Color White, Product Series Instant Power Professional, pH Level 2.08, pH Value Acidic, Nonflammable No, NSF Rating Not Rated, Rinse Required No