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Boston Water Quality - very soft water with high ph?
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joshbd
Senior Member


Joined: 24 Oct 2013
Posts: 3
Location: Boston
Expertise: Just starting

Posted Thu Oct 24, 2013, 1:14pm
Subject: Boston Water Quality - very soft water with high ph?
 

I am about to dive into espresso with a new (or new to me) machine, but had a few questions regarding the tap water here in the Boston area.  According the most recent tests, some of the key results are as follows: (see http://www.mwra.com/monthly/wqupdate/pdf/cy2013/082013.pdf for detail)

Alkalinity - 41.2 mg/l
Hardness - 15.5 mg/l
Ph - 9.5
TDS - 110 mg/l

So, from what I gather I have very soft and highly alkaline water.  Is this really a problem?  I've read it can lead to very flat tasting coffee, and worse, scale build-up. But, what can I do about it besides buying bottled water, like crystal geyser?  My googling has turned up many was to soften water and increase ph, but not the reverse.  Any suggestions?  

For what it's worth, I also have a RODI system that I use for my salt water fish tank, so if there was a good way to add back minerals to that, it would also be an option.  Thanks in advance.

Josh
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tahoejoe
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tahoejoe
Joined: 9 Sep 2003
Posts: 619
Location: San Diego/ Incline Village Nv.
Expertise: I live coffee

Grinder: Solis Maestro
Drip: Behmor Brazen Brew System
Roaster: Behmor 1600
Posted Thu Oct 24, 2013, 2:48pm
Subject: Re: Boston Water Quality - very soft water with high ph?
 

Check your RO system to see if it has a mineral cartridge. Mine is 15 years old, 3 stage and adds minerals back in to a TDS of about 65-70..

 
REMINDER: Never leave the roaster unattended when in use !!   And remember to use our Rosetta Stone tip PART V PARAGRAPH 3.. it works !!!

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joshbd
Senior Member


Joined: 24 Oct 2013
Posts: 3
Location: Boston
Expertise: Just starting

Posted Thu Oct 24, 2013, 3:36pm
Subject: Re: Boston Water Quality - very soft water with high ph?
 

Thanks for the input. To clarify, the RODI system I have isn't a whole house system, but rather something I plumbed next to the washer in the basement and only use for fish tank water changes.  However, I will certainly look into adding a mineral cartridge to the end of the chain for coffee purposes.  The only problem is I imagine I would still want to bypass the DI (Deionize) section...
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CoffeeLoversMag
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CoffeeLoversMag
Joined: 10 Jan 2013
Posts: 218
Location: Seattle
Expertise: I love coffee

Posted Fri Oct 25, 2013, 5:51am
Subject: Re: Boston Water Quality - very soft water with high ph?
 

I understand that you can raise the hardness of water by adding calcium. We may use gypsum, itís a calcium and sulfate ions combined. Calcium chloride also can be added to avoid harsh flavor.

The alkalinity and TDS in your test result is in the range to have a good espresso.

 
Did you know...? Dark roast coffees actually have less caffeine than lighter roasts due to the fact that the process of roasting burns off caffeine.
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