Flushing question involving tap water

I've got a Heavy Duty Fruity at 56 days in soil. My city tap water is about 450ppm and around 8.4ph. Is it okay to flush with this water? What about if i PH adjust it?

HDF is in a 3g container so I use 12 gallons a day everyday for about a week or two??

Sound good? I'm about to do this

NO NO DON'T....PH down too 6.2-6.5. You don't want to flush every day for 1 or 2 weeks. Go ahead and flush once and just use ph'd water the rest of the way. But don't do it everyday, just normal watering. let water sit out for at least 24 hours...good luck. Any pics? I have a few of those beans

Thanks for the info! I like the Heavy Duty Fruity. Got 2 free seeds from the attitude promo. Got 2 females.. I vegged this one for about a month under only 80w soft white floros...then under a 600w. Didn't pay much attention to her so im suprised how it handled some nutrient burn and ph swings before I decided to care more for her. Definitely a plant with good potential. SMELLS AMAZING. Hard to describe but very fruity for sure.

By the way I flushed her tonight. I'm at 59 days and 95% milky. No amber yet. I'm planning on letting the pot completely dry out then harvesting around 65-70 days. Will i need to flush again?

No don't flush. The drier the soil the better in my experience. Looks great