Store Surface pH Testers Store / Surface pH Testers Developed to test surface pH levels. Sort by We recommend Newest arrivals Price: Low to High Price: High to Low Name: A to Z Name: Z to A pH Pencil Kit (Includes case and distilled water) pH Pencil Kit (Includes case and distilled water) $32.95 Buy Now TSW6 pH Quick Test TSW6 pH Quick Test $15.50 Buy Now