At 1ml/gallon, this is the most concentrated and cost effective protein blend on the market. 4 Liters (Aprox. 1 gallon) makes 4000 gallons Bud Builder is a super concentrated blend of plant protein. Bud Builder is a one part additive for hydroponic, soil, and foliar applications used throughout the plant's life cycle. Bud Builder is used in addition to your normal fertilizer program. Bud Builder is easy to use and your plants will love it. Bud Builder enhances nutrient uptake and transport in your plants. Bud Builder enhances photosynthesis within plants and increases metabolic growth. When and where to use: Ideal for foliar application, root-drench application or soil amendment. For foliar use: Mix one (0.5)ml with one (1) gallon of water. Mist or spray the surface of plant leaves to the point of runoff. Apply every other week. For hydroponic use: Mix (1)ml with one (1) gallon of water. For soil use: Mix 1 to 2 ml with one (1) gallon of water. Apply generously around the base of the plant. Follow with regular irrigation. Apply every other week.