Dennis, I did check with the manufacturer, and they have assured me that the
towelling I am using hasn't been bleached with chlorine.
John
----- Original Message -----
From: Dennis Gulenchin
To: [email protected]
Sent: Saturday, April 29, 2006 3:36 PM
Subject: Re: CS>Re: Bulk CS
John,
I'd be hesitant to use paper towel in a liquid made for drinking as paper
bleached with chlorine creates dangerous toxins such as dioxins. Maybe a better
choice would be to use unbleached coffee filter paper.
Dennis
John McLean wrote:
The brass plate is the cathode, so it isn't sacrificial, and no the paper
towelling, the type used in the kitchen, will not affect it.
I soaked them for 5 days in distilled water to see what would happen, and
the paper stayed intact, and checking the TDS reading, made no difference at all
John
.----- Original Message -----
From: Carol Ann
To: [email protected]
Sent: Friday, April 28, 2006 11:45 AM
Subject: Re: CS>Re: Bulk CS
wow.
Why the brass plate. Why wouldn't the paper towel contaminate the
solution.
HRBE <[email protected]> wrote:
I have been doing some experimenting with making bulk CS.
I have come up with the following setup.
1 x 5 gallon (imperial) fish tank
1 x 36 square inches 99.99% silver plate
1 x 36 square inches brass plate.
1 x aquarium water pump
1 x 30volt DC power supply, with adjustable current regulation.
I spaced the plates @ 3 inches, I wrapped the brass plate in paper
towel to
prevent the gunge from being circulated in the water. I limited the
current
to 100ma.
By wrapping the brass plate in paper towelling I don't need to wipe the
plate clean.
8 hours later, I have 5 gals of perfectly clear CS solution, which
reads
25uS on my Hanna HI98308 TDS meter.
I used current control because I didn't have the time to "babysit" the
process
I used Bob Berger's book as a guide for construction and I am building
45
volt dc current regulated power supply to try to shorten the brew
process
time.
Hope this is of interest to the group
John McLean
Australia
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Carol Ann
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