Breakout Powder is formulated using the highest quality water-soluble concentrates of phosphorous, potassium, and sulfur helping to achieve higher yields and better taste. With its easy-measure formulation, APTUS Breakout powder takes the guess work out of application rates. Accurate application can be done in the field with no scales or extra devices. Aptus Breakout Powder is an economical, stable and powerful flower enhancer that promotes additional flower growth and development in the last 3 weeks of the bloom phase.