Works like Dutch Master Reverse! This product is a MUST if you know you have varieties that hermaphrodite! Non-Toxic Non-Carcinogenic This is a ready to use liquid that must be used with Optic Foliar Transport. Directions: Spray on Day 7 and Day 17 of the flower cycle to lower the chance of hermaphroditic plants. Additional Usage Notes: Best used with distilled water Shake products well before use Spray while lights are on Do no adjust pH of foliar spray Avoid spraying any electrical or lighting