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Old 03-12-2017, 08:56 PM   #351
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@BeerCat
For the kolsch you want soft water with a little chloride to let the malt flavours shine, so an addition of 0.1g/L will take the calcium up to 65ppm and the chloride up to 60ppm.

For the broadside I'd probably go for a fairly balanced profile, something like 0.15g/L each of calcium chloride and gypsum which will give you:
114ppm calcium
84ppm chloride
98ppm sulphate

For the IPA, maybe 0.1g/L calcium chloride and 0.35g/L gypsum. That'll give you:
146ppm calcium
60ppm chloride
209ppm sulphate

That'll sort out your mineral profiles, but do you have alkalinity or bicarbonate values for that water?
Unfortunately that was all the info on the bottle. I am going to contact them tomorrow and see if i can find out. Thanks Steve, i am finding it easy with RO but a little trickier working this one out.

I know its not alkalinity but i forgot to add the PH is 7.8
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Last edited by BeerCat; 03-12-2017 at 10:49 PM. Reason: more info
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Old 05-12-2017, 08:44 AM   #352
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my water company website - it is the only measure of alkalinity on there.
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Old 05-12-2017, 10:17 AM   #353
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my water company website - it is the only measure of alkalinity on there.
Ok now we're getting somewhere, that's the value you need. Your water isn't too bad for bitters actually, just needs a drop of acid to get the alkalinity down to about 35 or so and maybe a touch of gypsum wouldn't hurt either.

Try something like 0.5ml of CRS per litre of water and 0.1g of gypsum per litre. That'll give you a good mash pH and should enhance the hops a bit.
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Old 05-12-2017, 10:36 AM   #354
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Hi Steve.

I'm good to go with alkalinity,how to measure it and how to decrease it if necessary. But I was wondering is their a basic rule of thumb I can use for a salts addition (e.g. half a teaspoon of gypsum in the mash or something like that) just to try it out. Or do I really need to measure my (calcium?) water more and purchase more salifert kits? If it helps any, I mostly make bitters/pale ales/pale (pseudo) lagers
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Old 05-12-2017, 06:52 PM   #355
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Steve - I gave this alkalinity figure in post 331 - I think....
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Old 06-12-2017, 05:04 PM   #356
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water treatment as recommended rec min rec max
as tested will result in:-
pH 6.59 6.59
Alkalinity as CaCO3 124 60 0 50
Carbonates as CO3 74.4
Nitrate 19.4 0 50
Chloride as Cl 82 228 150 300
Sulphate as SO4 129.01 417 250 400
Total Hardness 160
Calcium as Ca 52 177 180 220
Magnesium as Mg 7.2 11 0 50




suggested treatment
AMS 8.75 ml per 25 litres of water used
DWB 17.25 gm per 25 litres of beer to be made


I cannot understand why alkalinity and sulphate and calcium are not in recommended range

I paid for a water analysis results as above
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Old 07-12-2017, 06:05 PM   #357
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Unfortunately that was all the info on the bottle. I am going to contact them tomorrow and see if i can find out.
Do you have an alkalinity test kit?
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Old 07-12-2017, 06:12 PM   #358
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Hi Steve.

I'm good to go with alkalinity,how to measure it and how to decrease it if necessary. But I was wondering is their a basic rule of thumb I can use for a salts addition (e.g. half a teaspoon of gypsum in the mash or something like that) just to try it out. Or do I really need to measure my (calcium?) water more and purchase more salifert kits? If it helps any, I mostly make bitters/pale ales/pale (pseudo) lagers
There isn't really a rule of thumb because it depends on what's in there already. Most water companies can tell you what your calcium is if you contact them or look on their website. Calcium is usually (but not always) around 0.4 x alkalinity ppm as CaCO3 if you want to wing it.
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Old 07-12-2017, 06:15 PM   #359
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I paid for a water analysis results as above
The formatting has rendered that rather difficult to read, but if I'm reading it correctly your untreated tap water has the following composition:

Alkalinity as CaCO3 - 124ppm
Chloride - 82ppm
Sulphate - 129ppm
Calcium - 52ppm

Is that correct?
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Old 08-12-2017, 10:05 AM   #360
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Originally Posted by strange-steve View Post
There isn't really a rule of thumb because it depends on what's in there already. Most water companies can tell you what your calcium is if you contact them or look on their website. Calcium is usually (but not always) around 0.4 x alkalinity ppm as CaCO3 if you want to wing it.
Thanks steve. I kind of thought as much about needing to test it really. But your "winging it" (around 0.4 x alkalinity ppm as CaCO3) is the kind of rule of thumb I'm after. By, alkalinity ppm as CaCO3, do you mean the figure I get when I test the alkalinity of my water with my Salifert testing kit (and is this figure that I x 0.4, before or after I've acidifed my water?)
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