Alternative to Tourna Black Zone/Weird TWU data for MSV Co Focus

My supplier is no longer stocking Tourna Black Zone so I’m looking for similar round poly on a budget…

MSV Co Focus 1.18 has good TWU data. What’s weird though is that the 1.25 gauge has much worse tension maintenance score than the 1.18. Can that be? Or is that a testing anomaly.

Any other alternatives to Tourna Black Zone? I like the soft feel and good tension maintenance. Is Tourna BH Silver an option?
 

einca13

Rookie
I have been playing Black Zone for quite awhile and it is a great string. The only string that comes close for me is Kirschbaum Pro Line II. Plays a little stiffer, but a solid string.
 
Thanks for the recommendation. This supports what I deduced from the TWU data tables. Cheers
Thicker strings has the ability to loose more tension over time. Also means they last longer before going dead.
The tension loss indicated in the TWU database is from strung string to going dead.
 
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