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Old 06/16/2018, 06:44 AM   #1
jazzy_n_fancy
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Storing RO water for top off

Hello everybody! I'm just wondering how long is it good for in a jug? Does it need to be circulating? Should I test anything first?... anything else I'm not thinking of?
Thanks!

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Old 06/16/2018, 09:35 AM   #2
AlSimmons
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I usually store my RO/DI water in a 5 gallon bucket with a lid for 7-10 days sometimes before I use it. No circulation, no heater no problem. I'm sure other people have gone much longer than this without any issues too.



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Old 06/16/2018, 10:01 AM   #3
hkgar
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Mine is stored in a 32 gallon Brute container.

I hope you are using RO/DI water and not just RO?


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180 gallon, 40 gallon sump, 8 ATI T5's, MTC MVX 36 Skimmer, Apex controller Reef Octopus CaRx

Current Tank Info: Red Head, Yellow/Purple, Hoevans, Possum Wrasses, Kole, Purple & Atlantic Blue Tangs, Matted Filefish, Percula Clown, 4 PJ Cardinals, Swallowtail Angel
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Old 06/16/2018, 10:19 AM   #4
thegrun
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As long as you keep it in a sealed food grade container it can be stored indefinitely without heat or water movement. Same for saltwater unless your salt mix contains organics.


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Old 06/16/2018, 10:35 AM   #5
jazzy_n_fancy
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Yes... I mean ro/di.. sorry I'm new

Thanks everyone.. that helps a lot. I'm keeping it in an old 2g sealed jug I got from petco once for saltwater (I know I know.. I only did it once)

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Old 06/16/2018, 05:56 PM   #6
Uncle99
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Keep in mind that as you store RODI water TDS will increase over time.
Example, day 1 TDS 0-2 ppm, day 7 TDS 7-10, end of week, TDS 25-27. These are the test results from my brute container.

In addition, after mixing salt, precipitation, while small, will start.

I make just enough RODI for a week, I make, mix and use, all of it within 48 hours.

I rinse both buckets and turn upside down to dry.

Over 6 months now, made a huge improvement in my DT. No algae, no cyno, no scrubbing and sand stays white.


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