hmmm more snake oil, haha just kidding. what i mean is you can buy 5 pounds of granulated P & K on ebay for $20 and it will do the same thing. on a side note kinda; K makes your "fruit" big and fat, it controls water uptake and plant respiration... heres an example i like to give: when orange trees don't get enough K their fruit is the size of a golf ball, when they have plenty of K their fruit is the size of a grape fruit AND it tastes a lot better too. K should always be the highest throughout the grow, that's what the grow bible says, that's what giant pumpkin growers do, and that's what the farmer i know do. i might add that they also grow fastest at 1/2 strength nutes(900ppm-1500ppm). and they grow slowest @1/4 strength(300ppm) and slowest @full strength(2500ppm).