Check the listing for details. BLUE POND DYE 16oz.TREATS 600,000GAL.GREAT FOR KOI POND 100% packaging may vary. Color: shade may vary due to water condition, Condition: New. Listed at 19.99 USD. 100% Blue pond dye ENDURANCE! Blue Moon pond dye™ is concentrated and long lasting. 16 ounces will create a beautiful deep 600,000 gallons blue moon™ Actual coverage may vary based on water quality. SAFE. Blue Moon pond dye™ is a specifically formulated dye that is environmentally safe, non-toxic, bio-degradable and has been certified by NSF International to the ANSI/ NSF Standard 60 Drinking Water Standards. When used in the proper dilutions Blue Moon pond dye is harmless to wildlife. Blue Moon ® Lake and Pond products are specially formulated versions of the dye Acid Blue 9 and may be used in lakes, fountains and ponds to create an attractive natural deep blue look that will enhance a water body’s natural beauty. It is important to note the floating leafed plants such as lilies are not affected if they have already surfaced. Should product contact the leaves directly some discoloration may occur on the end of the plant leaves. USAGE INSTRUCTIONS Apply directly to water body from bottle, usually from the shore or slow moving boat. the wind and water current will mix the dye throughout the entire body of water. APPLICATIONS Color enhancements in fountainsDecorative coloration of lakes and pondsDecorative coloration of golf course holes ITEM may SHIP IN safe containers other than shown