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Home Brew Forums > Home Brewing Beer > Brew Science > Do carbon water filters filter out necessary minerals for brewing?
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Old 09-28-2012, 01:33 AM   #1
BigHead33
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Default Do carbon water filters filter out necessary minerals for brewing?

I have been using a GE carbon filter to filter out chlorine from my tap water. Around the same time I have been noticing my brews coming out with a light body and very little head retention. Can this be related? Thanks

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Old 09-28-2012, 02:54 AM   #2
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No. Poor head retention is either the result of fat, grease or detergent on the glassware or improper handling of the protein rest during mashing.

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Old 09-29-2012, 01:19 AM   #3
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Thanks. So the filter will not filter out any necessary calcium or sulfates?

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Old 09-29-2012, 01:37 AM   #4
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If its Chlorine you want to remove -

Instead try 1/2 a Campden tablet. $3 for a bag of 100, means a cost of 1.5 cents for 10 gallons of water de-chlorinated

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Old 09-29-2012, 03:33 AM   #5
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No, GAC won't effect the mineral content at all.

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