What should i be using

Hi peeps well basicly i need help with measures ive looked on the internet but cant find a percific answer im usong coco a and b for the whole time and still currenly using we it went into flower i started using house and garden top booster and bud xl but i did read that top booster not to be used after four weeks of flowerimg is thos correct and im usong 1ml per litre this dont seem to be enough anyone know
 
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