FountSILVER Water Booster concentrated Silver AgNP fountain water treatment solution is non-toxic (see Safety Data Sheet) and consists of concentrated 99.99+% pure Silver as 100% bioavailable Silver nanoparticles (AgNPs) colloidally suspended and dispersed in pure deionized water. FountSILVER is an odorless, very dark blackish brown colored liquid when seen from the front and has an orange color when backlit, but will not change the color of the water in your fountain or other water feature and will not stain your fountain or other water feature; it is not irritating and not photosensitive. Please see more details listed below which address the history, solution, purity, safety, effectiveness and trust related to FountSILVER. This is 250 mL (8.45 Fl Oz) of SILVER nanoparticles in an amber BPA-free plastic bottle. FountSILVER does not require refrigeration after opening and has an infinite shelf life if stored at room temperature.DIRECTIONS: FountSILVER should only be added to a clean fountain or other water feature with newly added fresh, clean water. Each fluid ounce treats up to 12.5 gallons of water, and each cup treats up to 100 gallons of water; this 250 mL bottle treats and preserves over 100 gallons of fresh, clean water. TRUST: Michael Miller is our Biochemist and former NASA scientist at the LBJ Space Center (Houston), Bldg 37 (Life Sciences) in the Water And Food Analytical Lab (WAFAL) who currently serves as the CEO of Nutraneering Incorporated - a California corporation; he personally oversees the manufacturing, testing, inspecting and bottling of FountSILVER to ensure consistent quality, safety and effectiveness. EFFECTIVENESS: The diatomic Silver nanoparticles in FountSILVER are as small as possible (just 2 Silver atoms in size, 0.6 nm) meaning they are 100% bioavailable to keep you water fresh and odor free between cleanings and changeouts. SAFETY: FountSILVER is made, tested, inspected and bottled in the USA in Nutraneering's registered and audited facility in Irvine, California and is: Fair Trade; Vegan; Halal; Kosher; Paleo; Keto; cruelty free; gluten free; alcohol free; sugar free; hypoallergenic, sodium free; and GMO-Free; FountSILVER will not add color to your water or stain your fountain or other water feature; no negative side effects or reactions have ever been reported by users of FountSILVER. PURITY: The Silver nanoparticles in FountSILVER are elemental, non-ionic, non-reactive, and are made from 99.99+% pure Silver for maximum purity: no ionic Silver; no Silver salts; no added color; no preservatives; no added color; no chemicals (0.00%) or potentially dangerous proteins, nitrates, nitrites, sulfates, etc. SOLUTION: FountSILVER Water Booster was engineered over 15 years ago by water expert Michael Miller (more below) for the health of the flora and fauna in your water fountain (if any) as well as pets and other animals that make drink from your fountain or other water feature by supplying a key and esoteric water treatment additive, Silver, as a safe non-toxic alternative to keep your fountain’s water fresher between cleanings and changeouts by using concentrated 99.99+% pure Silver nanoparticles colloidally suspended and dispersed in pure water. HISTORY: The ancient Phoenicians, Greeks, Romans Egyptians, Persians, Mesoamericans and others were recorded to have used Silver to preserve water and prolong its freshness; our satisfied customers can be found in the USA, Canada, Mexico, Australia, England, Ireland, Italy, Spain, Brazil, Scotland, China, Hong Kong, Thailand, Croatia, the Philippines, Singapore, Taiwan, S. Korea, Japan, New Zealand, India, Germany, United Arab Emirates, Turkey, Saudi Arabia, and elsewhere.