Try mid tension on whichever racquet your going to string on. From there, go up or down depending on your decision of what you want.
off topic : @acura9927 : Hey, are you planning to go to Avanti's 4th annual tennis show up in mill creek? Don't know if you know about it but just thought i should check up if anyones planning on going. hehehe
Racquet : TGK238.1 2X / Head YTPP 1X
Strings : BHB7 17G 49lb / LUX 4g Rough 17G