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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