Check the listing for details. Athena Grow A and B Set - 1 Gallon. Condition: New. Listed at 149.99 USD. Athena Grow is a simple and clean formula designed for the vegetative stage of growth and for non-flowering plants. Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis, healthy respiration, and robust stalk and root growth.This 2-part blended liquid formula should be used in equal amounts during the flowering phase to stimulate the rapid onset of bud production, increase flowering sites, and promote high-quality yields.Formulas are sediment free and are compatible with all dosing and irrigation systems in including fine dripper heads. Small amounts of micro-particles are occasionally visible in some conditions but will not affect mineral balance or system compatibility.