gtx 1070 mini

Greetings everyone. I'm currently using Zotac GTX 1070 mini and was wondering how to undervolt the gpu to get a better temp plus lower volt. My current temp at idle is 65c and at peak is 82c. Would be glad if anyone can provide the best setting for undervolting this gpu. Thanks !

Hello Im looking to water cooler my GTX 1070 but I've got some doubts that i couldn't find a asnwer yet My GTX 1070 is a mini version from Zotac (This one) I don't know if those mini cards, specially mine, will be compatible with the NZXT KRAKEN G10 and a CORSAIR H55 I really don't wanna buy...