5 weeks left of flower...which Micro's to use?

I have been using CannaBiogen flower parts A+B and has been giving me good results bud i know I can pack on some more weight using some Micro's...Any suggestions that would go well with Canna?

Thanks a bunch for anything

***Using ebb&flow with rockwool, Two large 45 gallon rez...Jilly bean and Tangerine dream