How long to keep RO water?

Dave S · Post by **Dave S** » Wed Apr 09, 2014 9:59 am

I've recently started to dilute my tap water by 20% with RO water for my mash in order to get the the SO4:Cl ratio where I want it for pale ales. Due to feeling a bit below par these last couple of months I haven't brewed since early February, and so I have most of a 25 litre container of RO water that's been lying around since then. It's had its cap tightly screwed on so is not open to the air, but I was wondering if anyone sees any issue with using it in a brew, which I am hoping to do over Easter, or should I ditch it and get some fresh.

Thanks in advance for any advice.

Post by **Jim** » Wed Apr 09, 2014 7:56 pm

Personally I wouldn't chance it.

LeeH · Post by **LeeH** » Wed Apr 09, 2014 8:29 pm

It's a no brainier, ditch it.

Dave S · Post by **Dave S** » Thu Apr 10, 2014 11:02 am

Yeah, at £2.50 for 25 litres, it probably not worth taking the risk. Plus we can use the remains of the current batch in the steam iron, so won't be wasted.

vacant · Post by **vacant** » Thu Apr 10, 2014 1:47 pm

Out of interest, what could be in this water that 60 minutes of boiling can't kill?

Dave S · Post by **Dave S** » Thu Apr 10, 2014 1:51 pm

vacant wrote:Out of interest, what could be in this water that 60 minutes of boiling can't kill?

Good point, probably nowt!

Post by **Jim** » Thu Apr 10, 2014 2:39 pm

vacant wrote:Out of interest, what could be in this water that 60 minutes of boiling can't kill?

The poo of a million bacteria.

Dave S · Post by **Dave S** » Thu Apr 10, 2014 3:18 pm

Jim wrote:
vacant wrote:Out of interest, what could be in this water that 60 minutes of boiling can't kill?
The poo of a million bacteria.

Since you put it like that, poo, however clean is still poo

vacant · Post by **vacant** » Thu Apr 10, 2014 4:39 pm

So it's organic, farm-fresh, cruelty-free and traceable? Man up and grow a pair, I say!

Post by **themadhippy** » Thu Apr 10, 2014 4:48 pm

find a water fire extinguisher,1) there air tight 2)all they contain is water,crack the lid open and inhale deeply,once you finish throwing up decide how best to procede with your brew

charlespe · Post by **charlespe** » Fri Jul 25, 2014 7:54 am

I wouldn't do that

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How long to keep RO water?

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