Ok, I use a nail urethane for spares right now, but I'd like to pick up a "super straight" spare ball by the end of the summer...

Now, looking at the various companies, which spare ball is the hardest (least hook).......I guess I can count out Lane 1!!
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-Andy

Now that the Blue Dot is just a White Dot of a different color , I believe it's the Spare Storm.
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seadrive
Cogito ergo bowl

I just went to check on the hardness of the Roto-Grip Cosmos polyester ball (It's 80 which is very hard these days) and learned that they had discontinued it!!

I think that 80 was second to Storm's Spare Storm's 84-86. I had a Spare Storm but the feel of that ball was just too disgusting. It felt greasy all the time and I couldn't get rid of that feeling. You don't want that grease/oil on your hands. (I always wipe my spare ball off, just so I won't get the oil, which does not soak into the cover like a resin ball, on my hands.)
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"We get old too fast, and too late, smart."