13x STRONGER THAN MOSQUITO BITS! 37% strength instead of 2%!! Effective against Fungus Gnats and Mosquitos! 1/2oz size makes 5-10 gallons of treated water(mix at 1-3 tsp per gallon. 2oz treats 20-40 gallons of water. 4oz treats 40-80 gallons of water 4-5 tsp for HEAVY infestations) Effective against Fungus Gnats at the Larva Stage OMRI Organic Listed for Organic Food Production Ingredients: 37.4% Bacillus thuringiensis israelensis (BTi) Note: BTi is considered not harmful against humans and children, and is widely considered the organic choice to control fungus gnats. ALL SALES ARE FINAL