question about flush process hydro set up

grower i know is almost rdy to harvest setup is ebb and flow hydro .... chemical grow useing technaflora recipie for success
recipie calls for str8 water for flush process
we know advanced uses a final nute during flush seems to be a sugar technaflora has sugar daddy should we use during flush or does this leave chemmy taste? does anyone use anything other than water during flush for hydro grow......def no molasses going in our setup so any help or opinons apprec.
 
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