Originally Posted by tight-wad
...Definitly do NOT buy the big spools from anybody, including some of our great suppliers on this forum. Watch the thread as you are spooling a bobbin. Merlita passes by smooth as glass. In other products you will see "clumps" of thread go by. I have 3 cones from different places and after noticing the wads during spooling I threw them away...
I don't know what you got a hold of, but I have never seen "clumps" or had any problems with Gutermann thread from two of "our great suppliers". I highly recommend both the thread and suppliers.