Flush to get salts out

Need I to ph all the water used for the flush? Or can I just flush with tap and after give a feed with good ph?
My tap is 7.6 maybe a bit more.
This is not end of harvest flush, I wanna clean the rootzone.

Why? What's your medium?
I mean is there a problem with the plant or you just thinking it needs it?
Is it organic soil or what mixture are you using?
I am thinking these questions would help find the answer to the ph question.
I am organic so I don't worry about ph.

I might have a zinc.def. new leaves on the new growth, lower branches get yellow. It's really not bad but I know my water is bad and I kinda pushed a lot of nutrients. Also some spots, like P def... little burn to the tips, nothing drastic, I guess.
I use soil, Ionic HW, 3-4'th weekof flower, she is il 18l and huge.

yes, ph your water all the time if its whacked.
your nutrients wont be flushed like you think though.

^^^^^ I believe that is correct. Many threads about this.

chemphlegm said:

yes, ph your water all the time if its whacked.
your nutrients wont be flushed like you think though.

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Wilderb said:

^^^^^ I believe that is correct. Many threads about this.

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Explain please.

I use a warm water/bleach flush to remove the salty semen stains from my sheets.

NewI said:

Explain please.

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chances are, if you have deficiencies its the fault of your whacked ph, and the plant not uptaking because of it.
ph your feeding, ph your water??? of course

"flushing" plain water doesnt rid the plant of excess nutrients, but it certainly pisses your plant off, kills beneficials, and reduces oxygen in your root zone. I'd just begin ph'ing and feeding properly, without "pushing" anything.
In all my years growing the only issues I've ever had was when I didnt follow the directions on the bottles.

Can I use FloraKleen or flawless finish?

chemphlegm said:

chances are, if you have deficiencies its the fault of your whacked ph, and the plant not uptaking because of it.
ph your feeding, ph your water??? of course

"flushing" plain water doesnt rid the plant of excess nutrients, but it certainly pisses your plant off, kills beneficials, and reduces oxygen in your root zone. I'd just begin ph'ing and feeding properly, without "pushing" anything.
In all my years growing the only issues I've ever had was when I didnt follow the directions on the bottles.

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Thanks, but what if the problem persists and gets worse?

NewI said:

Can I use FloraKleen or flawless finish?

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your plants only grow to their weakest resource. YOu already didnt provide that for them, there is not much you can do
except begin to treat them right, with good resources all the way around. pay attention to your environment, substrate, nutrient choice, and feeding/watering schedules. You can use anything you want, it isnt going to fix this, you have to work through it and learn.
stop pouring product on your plants, they really just want good living soil, they already know how to find everything they need in healthy soil.
In a couple weeks your nutrient directions will advise tapering your feeding, I suggest you follow, taper to water the last ocuple days and harvest. next time....relax, dont push anything. if it worked....we all be doing it.