Check the listing for details. Cutrine Plus Aquatic, 9% Copper - 1 Gallon by SePRO. Condition: New. Listed at 79.95 USD. Cutrine Plus AlgaecideSuggested Rate: 0.6 gallon per acre-foot (43,560 cubic feet) for planktonic and filamentous algae1.2 gallons per acre-foot for Chara and Nitella1.2 to 3.0 gallons per acre-foot for Hydrilla Method of Application: Cutrine-Plus should be diluted with at least 9 parts of water to facilitate even distribution during application. Surface spray is most practical for treatment of planktonic and filamentous algae. Bottom-growing algae should be treated by underwater injection or by application of Cutrine-Plus Granular. Hydrilla can be treated by surface spray or underwater injection.See label for specific use rate. Active ingredients:Copper as elemental.........9.0%Inert ingredients:.........91.0%Total.......100.0% If your state is not listed, there are no restrictions in your state.RestrictionsStateRestricted - This State requires a license:MERestricted - This State requires a license:NJRestricted - This State requires a license:VTRestricted - No sales to State:CARestricted - No sales to State:NH