Mr headshake welcome back.
I've actually done it both ways and never really saw anything for me to want to pay the extra money for the water. Save your flush water for the end.
tinytoon Reviewed by tinytoon on . preflower flush? Hello all! I have a question about flushing, I did search around and found a lot about flushing but not much on preflower flushing. The question is should i do a preflower flush before switching to flower nutes? any help is appreciated:) Rating: 5