hobbles,
Welcome to the Forum. I read your second post and understand you "put triple 7 in your powder hown that still contained some fff in it." I would not think mixing triple 7 and fff is a good ideal and it will make testing loads a crap shoot. When I test powders, I keep them separate to get better results. Maybe you need another test shoot keeping triple 7 separate. Hope this helps.
Adam
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Adam Helmer
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