Old 01-28-2019, 03:40 PM
  #4  
Watson
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Join Date: Dec 2015
Location: Ontario, Canada
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Short answer is no, they don't have to match.

I usually use a thread made for bobbins, like Decobob or BottomLine, which are 60 weight and my thread of choice in the top.

https://www.superiorthreads.com/bobbin-thread

Watson
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