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Old 11-24-2003, 11:26 AM
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Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
Join Date: Apr 2002
Location: Chocorua New Hampshire
Posts: 21,956
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Ben, you are going to have volition loss in the batch. Don't complicate your life by messing with the formula weights and percentages. If you mix too much, store it til next time.

Also, you need to consider the law of significant figures. Don't carry anything past two decimal points and do round off. While you should use a very accurate scale, you are not likely to get one that has meaningful accuracy while being capable of weighing both pounds and thousandths and tenths of thousandths of pounds. I do use two scales to check against each other. I never go beyond hundredths and I don't get really sweaty about them. Larger batches are easier than small ones since the percent margins of error become less significant. Some time ago I told Dave to never mix under 20 lb batches. Sometime soon he will see why I said that.
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