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Old 03-12-2009, 07:15 PM   #1
wildwest450
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Dec 2007
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Im doing Jamil's "hop bursting" recipe and need some help. I have soft water that's only good to 10-12 srm. I don't know squat about water yet, so should I add some gypsum? It's the only additive I have on hand.

Here's the recipe and my water report.

Batch Size: 5.75 gal
Boil Size: 8.21 gal
Estimated OG: 1.064 SG
Estimated Color: 16.5 SRM
Estimated IBU: 34.5 IBU
Brewhouse Efficiency: 80.00 %
Boil Time: 60 Minutes

Ingredients:
------------
Amount Item Type % or IBU
9 lbs 8.0 oz Pale Malt (2 Row) US (2.0 SRM) Grain 74.51 %
1 lbs Caramel/Crystal Malt - 40L (40.0 SRM) Grain 7.84 %
1 lbs Munich Malt (9.0 SRM) Grain 7.84 %
8.0 oz Caramel/Crystal Malt -120L (120.0 SRM) Grain 3.92 %
8.0 oz Victory Malt (25.0 SRM) Grain 3.92 %
4.0 oz Pale Chocolate (200.0 SRM) Grain 1.96 %
0.50 oz Amarillo Gold [7.00 %] (20 min) Hops 6.5 IBU
0.50 oz Centennial [9.50 %] (20 min) Hops 8.9 IBU
1.00 oz Amarillo Gold [7.50 %] (10 min) Hops 8.4 IBU
1.00 oz Centennial [9.50 %] (10 min) Hops 10.6 IBU
1.00 oz Amarillo Gold [7.50 %] (0 min) Hops -
1.00 oz Centennial [9.50 %] (0 min) Hops -







TAP WATER
pH 7.9
Total Dissolved Solids (TDS) Est 28
Electrical Conductivity, mmho/cm 0.05
Cations / Anions, me/L 0.4 / 0.4
ppm
Sodium, Na 3
Potassium, K < 1
Calcium, Ca 4
Magnesium, Mg < 1
Total Hardness, CaCO3 14
Nitrate, NO3-N 0.1 (SAFE)
Sulfate, SO4-S 2
Chloride, Cl 4
Carbonate, CO3 < 1
Bicarbonate, HCO3 9
Total Alkalinity, CaCO3 8



 
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Old 03-13-2009, 02:16 AM   #2
BrianP
 
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Check google for brewing water additions, and you should find a spreadsheet or other on-line calculator tools. I think howtobrew.com has a section on it too.

I think gypsum is good since it has sulfates (if I recall correctly) which enhances hop bitterness. Just don't over-do it.


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Old 03-13-2009, 02:20 AM   #3
Professor Frink
 
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I would add some gypsum. I have soft water and I typically add a tsp. or so.
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Old 03-13-2009, 02:22 AM   #4
HotbreakHotel
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Nov 2007
Grand Rapids, MI
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The John Palmer spreasheet is here:

How to Brew - By John Palmer - Residual Alkalinity and Mash pH

 
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