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Old 04-19-2012, 09:53 PM   #1
ResumeMan's Avatar
Nov 2011
Oakland, CA
Posts: 480
Liked 28 Times on 27 Posts

OK well I wasn't going to clutter the forums with yet another "what do you think of my water" posts, but this thread left me thinking that I should submit my data to the brightest lights (i.e. Martin and AJ) of the Science forum.

So here's my results from Ward Labs. My water is from East Bay MUD, and the source is Sierra Nevada snowmelt. The water was sampled in early February so it should be from pretty full reservoirs.

pH 8.3
TDS  46
Conductivity 0.08
Cat/An   0.4/0.5

Na   5
K    <1
Ca    2
Mg  1
Total Hardness CaCO3 9
Nitrate NO3-N   0.2
Cl   4
CO3   3
HCO3  12
Total Alkalinity CaCO3    15
Obviously, very soft and very low alkalinity. I've started to add calcium chloride and/or gypsum to the mash water to provide some calcium.

For comparison, here is the data from the 2010 EBMud water report

Na   5.1 - 10
K   0.5 - 0.9
Mg 0.7 - 2.3
Hardness CaCO3  14 - 30
Nitrate Not reported
Cl 5 - 6
Alkalinity, Bicarbonate as CaCO3    22-29
Alcalinity, Carbonate as CaCO3  3.3 - 4.1
Any thoughts?

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Old 04-22-2012, 08:51 PM   #2
Aug 2010
McLean/Ogden, Virginia/Quebec
Posts: 9,199
Liked 1465 Times on 1117 Posts

This water can be considered as RO water if you want to follow the Primer or you can punch the numbers into one of the spreadsheets if you wish to follow that approach.

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