Storing water

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Tested my faucet water twice in 2 days and it came up 6.6pH both times. I was wondering if I could save some water in gallon jugs and the pH would stay the same or does it change over time?

 

[Gjourney101]

I save mine in gallon jugs. Keep it in a cool dark place. It may shift up after a few days, but if so only slightly.

 

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Thanks, I'll give it a try and see how it goes.

 

[CaptainWiese91]

I have my bottles with water and with nutes, for at least 10 days. Have no problem with my nutrients or water

 

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That's what I just did, tested it and then filled up 2 gallons and then put a sticky note on them with pH level and date.