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Old 03-26-2006, 11:37 AM
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Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
Join Date: Apr 2002
Location: Chocorua New Hampshire
Posts: 21,981
Pete VanderLaan is on a distinguished road
Dave is right about accuracy. In my 20lb formula for peach opal, one gram movement on the sodium nitrate trigger I use changes the color a whole lot.

That's one gram in 9080 grams ( assuming 454grm /lb). That's not much.

Based on your assumpton of 450, that fails to account for 80 grams to get in the proper perspective.
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