With that type setup, it will vary wildly unless you can determine where you were on the runaway curve when you started.
You might made 5 PPM in a given time once, change water..even the same brand of water...and make 20 PPM the next time in the same amount of time.
A meter will help.
"Any" sort of controls or monitering will help.

Ode

At 09:06 AM 9/27/2005 -0700, you wrote:
>>>>
I made two more 1 quart batches of CS. From the suggestions of folks here, I cut down the brew time to 5 hours for the first batch (when I brewed 5 1/2 hours, the resulting brew was light yellow). The CS I got was clear.


The next one quart batch I made (using the 9-volt AC-DC converter) I did immediately following the last batch. That is, I made two batches right in a row. I left maybe 1/2 inch of CS in the jar (which included some silver sediment) after the first batch and added DW to it to make the second batch. I brewed this batch 4 1/2 hours. I was told that when you seed a batch of DW with some CS, the brew time is cut back considerably. This brew also turned out clear.


MY QUESTION IS... How long should I brew 1 quart of DW with 9 volts to get a good resulting CS? If 5 1/2 hours is too long, how long is long enough?

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