I add 10 mils per gallon ..I mix 5 gallons at a time ..I am running a and b bloom 10 ml per gallon eco zime 2 ml per gallon mendo honey 7.5 ml a gallon canazime 8 ml per gallon also bloombastic 4ml per gallon this is a great mix..... .. I have used other nutes in the past .. they were all crappy...