Geni is a nutrition line whose specialties are bloom boosters and stimulators. The Top Viagra is a natural, pure, mineral PK booster. This booster can be used with any brand of nutrition and will begin a new flowering stage after the first flowering phase, resulting in increase of the total weight of the fruit. Top Viagra works well with enzymes and trace elements. We also offer flower booster. Flower booster is to be added during the flowering phase of your plants. The plant will choose the number of phosphates on its own intuition and create its own requirements of bloom hormones. Flower booster is to be used up to one week before harvesting.