i would say yup ya need all 3, deffo the micro and bloom and a little N wouldn't go a miss tho.. here's the feeding chart i found on google..
http://extremegrowing.com/UserFiles/..._nutrient3.pdf
mickrick Reviewed by mickrick on . lookin 4 a little help got a bottle of holland secret bloom i ask the store ower and he reamended but wen home and reading bottle its a 3 part mix do i need the grow and mico i'm 3 wk into flower and was thinkin that no N wood be good Rating: 5