--- In silverdatawebsite@yahoogroups.com, "bob Larson" <boblist@...> wrote:
>
> black on the silver should come off with a paper towel while it's still wet,
> leaving it kinda grey. if it doesn't come off easily that way, maybe
> something other than the usual silver oxide on there due to contaminants in
> the water.
>
> peroxide will clean silver plate-out from the silver and glass pretty
> easily. rinse thoroughly afterwards. let it soak. i use a number of liter
> bottles and make gallon batches. i always have a few bottles full of
> peroxide that've been full for quite awhile and when others get brown with
> dark rings on the bottom i swap for a clean one and re-use the peroxide in
> the brown one. no scrubbing needed, just some shaking... but be careful as
> peroxide can cause pressure buildup and bottles can break.
> my brew jar is large enough to get my arm in, and i rinse immediately after
> making a batch of CS, and dry with a paper towel. if i don't make it overly
> strong this is sufficient to keep it clean for a long time without having to
> use peroxide.
>
> you might be brewing it too strong... or at least stronger than really
> needed. got a meter? a good one like the Hanna PWT or HM com-100? the
> simple battery generator designs can be ok if there's some kind of current
> limiting. a generator with auto-shutoff is better, as it doesn't over-brew
> and doesn't need babysitting.
> a good meter is useful to tell when the CS is strong enough while still
> nicely clear, and is good to test the water.
>
> if you still have the brown/grey batch, set it aside and try again. someday
> the old batch should mostly clear up and have a layer of silver fallout that
> you can filter out... takes months tho. if it doesn't clear up there's
> probably misc compounds in it from not-pure water.
>
> i do use RO, but after optimizing my system with very carefully selected
> cartridges and adding a de-ionizer stage. my RO water reads much lower ppm
> than store bought distilled on my meter, so i call it good enough. i had to
> somehow overcome the problem of not remembering to buy DW while at the
> market so i didn't have to make special trips. i go through at least 6
> liters/month.
> DW quality varies by locality and brand, and then still isn't consistent.
> the most consistent good DW in my area comes from whole foods mkt, which
> strangely is also the cheapest.
>
>
> ________________________________
>
> From: silverdatawebsite@yahoogroups.com
> [mailto:silverdatawebsite@yahoogroups.com] On Behalf Of Bob Smith (Big Tree)
> Sent: Wednesday, October 14, 2009 12:04 PM
> To: silverdatawebsite@yahoogroups.com
> Subject: [ silvermedicine.org ] Black gook on my CS.
>
>
>
>
> Just built a CS Generator. Using two bars of silver bought from a
> local
> jeweler. Using nine volt batteries as per a plan I found on the net.
> Ran
> it about 2.5 hours as per the plans. Came up with a black gook in
> the
> water. Filtered it through a couple of coffee filters an came out
> with
> just a tinge of brown/gray but finding hard to remove the black gook
>
> either from the glass or the silver bars. My water is not distilled
> but
> run through a reverse osmosis filter.
>



Hello,
did you use 99.9 % silver.....maybe from the jewelery it is only for jewels?

Trudy