FoxFarm Liquid BushDoctor OMRI Listed Cal-Mag. Macronutrient 1-0-0. Available in Quart and One Gallon Bottle.
Directions of use: Mix 1 tsp (5ml) per gallon of water. Begin use just before bud development. Continue as needed. Not more than once per week. Maintain a pH range of 5.6-6.8. Shake well before use.