Diluting beer

[Fal]

I did a brew last night and pitched the yeast, but the OG was a good bit higher than I wanted. I should have added top up water before pitching the yeast. Is it too late to add it this morning?

[Leann ull]

Tool in beersmith to allow you calculate how much to add, if you add in chlorinated water now you will have issues, better to boil and cool down and then add at least you know its sanitised as well. You can add at any stage but would think the sooner the better like them fellas that brew next to the Liffey.

[DEMPSEY]

De-aerated water 

[Fal]

Thanks Ch, I'll add it at lunch. Dempsey de-aerated water? Will the O2 not be good for the yeast?

[DEMPSEY]

T'is what Guinness do when diluting their higher concentrate brew.

[bigvalen]

O2 is good for the first day or so. After that, not so much. Mould might use it.

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[cruiscinlan]

If you boil it you should drive off dissolved O2 and any chlorine honk.

[Fal]

Thanks, it was just under 12 hours from pitching yeast to diluting. So I should be ok

[DarraghKS]

Just gonna leave this here http://byo.com/hops/item/237-blending-for-volume-techniques

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[Archsnapper]

Quote:  "If you boil it you should drive off dissolved O2 and any chlorine honk."

I'm one of those people who can't stand the chlorine in tap water, not even when it's been boiled to make a cup of tea. So, what's this about boiling driving off the chlorine?

[Dracusse]

When you boil it in kettle all the crap goes back to the water .

Boil in pot with no lid does the job. same as boiling wort 

[johnrm]

Ah Jaysus.
Set out your brewing water the night before.
25l - 30l water
Add half a ground Campden. Cover with muslin/voile.
Chlorine gases off, chloramines will be knocked out by Campden.

[pob]

This  >>

Ah Jaysus.
Set out your brewing water the night before.
25l - 30l water
Add half a ground Campden. Cover with muslin/voile.
Chlorine gases off, chloramines will be knocked out by Campden.

Case closed.