Basically this product is amazing. My buddies had been running it for some time now and they told me over and over i needed to get it. Nobody carries it so it had to be special ordered. I ordered one gallon at first now i order 10. Its 19 superstrains of microbes. 10mls per gallon and if you run h&g you no longer need drip clean. The guy explained to me in way more words than this that basically they put 1000s of strains of microbes into an incubated type of environment and they perform some process that is supposed to kill them all. Instead some live and these are the 19 strains. Ive been running it for almost a year now and its been wonderful to me. Larger yields, way bigger root balls that are the brightest white ever. Just thought id share, most havent heard of it. Good luck all!