Author Topic: getting rid of clorine  (Read 1320 times)

Offline beerman59

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getting rid of clorine
« on: April 08, 2016, 12:17:53 PM »
Hi everyone. Do I need to use campden in my mash water? I use Milwaukee city water, I BIAB so the night
before I brew, I heat up my water to mash temp then let it sit until I brew the next day. Yes I bring it back to mash temp the next morning.
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Offline troybinso

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Re: getting rid of clorine
« Reply #1 on: April 08, 2016, 12:57:57 PM »
I've always found that heating up the strike water the night before drives off the chlorine - I don't live in Milwaukee though, so it might not work for you.

Offline Stevie

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Re: getting rid of clorine
« Reply #2 on: April 08, 2016, 01:28:00 PM »
You should eliminate chlorine from all brewing water. Check with your water district to determine if chlorine or chloramine is being used. If chlorine, your process should be fine. If your city is using district is using chloramine, you will need to use different methods.

Offline reverseapachemaster

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Re: getting rid of clorine
« Reply #3 on: April 08, 2016, 01:39:01 PM »
Is a campden tablet cheaper than the electricity/propane cost of heating the water? If the campden is cheaper then I'd opt for that route.

The exception would be if heating the water is precipitating minerals from the water and giving you a better water profile but I'm not sure mash temperatures and an overnight rest is enough to make much difference.
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Offline PORTERHAUS

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Re: getting rid of clorine
« Reply #4 on: April 08, 2016, 01:46:46 PM »
Campden in cheap insurance. 1 tablet is good for 20 gal so I split one and then split that half between my mash and sparge water. If you ever had off flavors from chlorine, you will have no problem using it on every batch. A bag of campden tabs is only a couple bucks and will last a long time.

Offline Stevie

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Re: getting rid of clorine
« Reply #5 on: April 08, 2016, 01:58:17 PM »
Is a campden tablet cheaper than the electricity/propane cost of heating the water? If the campden is cheaper then I'd opt for that route.

The exception would be if heating the water is precipitating minerals from the water and giving you a better water profile but I'm not sure mash temperatures and an overnight rest is enough to make much difference.
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Offline kramerog

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Re: getting rid of clorine
« Reply #6 on: April 08, 2016, 02:00:37 PM »
I fill my pot the day before, leave the lid off but I don't heat the water beforehand.  I haven't had problems that I know of.  I'm on Chicago water.

Offline dmtaylor

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Re: getting rid of clorine
« Reply #7 on: April 08, 2016, 02:25:16 PM »
MKE uses a lot of chlorine.  Definitely use 1/4 Campden tablet per 5 gallons water.  Cheap insurance indeed.
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Offline beerman59

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Re: getting rid of clorine
« Reply #8 on: April 08, 2016, 03:00:54 PM »
Ok you've convinced me campden tabs it is. Thanks for all your input. Milw. does use chlorine for the water report from the city.
« Last Edit: April 08, 2016, 03:02:56 PM by beerman59 »
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Offline a10t2

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Re: getting rid of clorine
« Reply #9 on: April 10, 2016, 04:28:10 AM »
As long as it's just chlorine, by the time you've gotten the water to strike temperature it's been driven off.
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Offline dmtaylor

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Re: getting rid of clorine
« Reply #10 on: April 10, 2016, 01:32:39 PM »
I have found evidence on the WI DNR website that Milwaukee has used chloramines since at least about 2005.  Campden then is your safest bet.  Search around on here if you like, that's where I got it from:

http://dnr.wi.gov/topic/DrinkingWater/QualityData.html
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Offline MDixon

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Re: getting rid of clorine
« Reply #11 on: April 10, 2016, 03:49:50 PM »
Most munis use chloramine today and then occasionally chlorine. You can carbon filter it out, but you must filter very slowly. I actually use a whole house filter for the...whole house...and then another filter at a much slower rater for the brewing water. I've never noticed any chlorine characteristics, but our water may be quite different than that of the OP.
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Offline Steve Ruch

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Re: getting rid of clorine
« Reply #12 on: April 10, 2016, 03:55:52 PM »
When I found out for sure that my local water company uses chlorine I started leaving my brewing water out uncovered overnight and have had no problems.
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Offline santoch

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Re: getting rid of clorine
« Reply #13 on: April 10, 2016, 04:03:28 PM »
I'm in the "campden is cheap insurance" camp.  You can buy a 25 pack from morebeer for 2 dollars.  At 1/2 a tablet per 10 gallons, you are talking 4 cents a batch.   I'd rather pay the 4 cents and not wonder if my filter is running slow enough actually get every bit of the chloramine out.  Chlorophenolic off flavors are detectable in very low amounts, and when they are there, they are horrible.
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Offline dmtaylor

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Re: getting rid of clorine
« Reply #14 on: April 10, 2016, 06:26:42 PM »
I'm in the "campden is cheap insurance" camp.  You can buy a 25 pack from morebeer for 2 dollars.  At 1/2 a tablet per 10 gallons, you are talking 4 cents a batch.   I'd rather pay the 4 cents and not wonder if my filter is running slow enough actually get every bit of the chloramine out.  Chlorophenolic off flavors are detectable in very low amounts, and when they are there, they are horrible.

Yes!  Totally agree.  Campden is super cheap, and chlorophenol is horrible.
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