6 String Rattle
 

So a couple of weeks ago i decided since i barely use my B string, i decided to get a 7 string set for my 6 string set and tune it EADGCF, but now i got bad rattle on most of my strings. I Suspect it's a nut issue because its used to the BEADGC i used for around a year or so.

However if i were to get a new nut, it wouldn't be much different because all the 6 string nuts are for BEADGC and it would be a waste. Should i maybe bring to someone to have the existing nut filled? or should i just try and get a new nut for my new tuning anyways?

With that string set you'll also have less string tension, so you need a new nut AND a setup/truss rod adjustment if you want the instrument to play properly and intonate correctly.

Any proficient tech will be able to cut you a new nut.

Did you check your relief? Probably your truss rod needs adjusting because of the difference in the string tension between the two sets.

It is best to get a properly cut nut when going to smaller strings, but I tuned by Carvin AC50 EADGC for a long time and never bothered to get a new nut and it never gave me any fits. Probably wasn't optimum, but I didn't even have to put pieces of dive bar matchbook covers around the strings to take up the slack.

I think the problem is the truss rod and relief.

Whoa, whoa, whoa....open strings, or fretted? Both?

Just saying, 6 String Rattle sounds like an old bluegrass tune.

Might steal the title and write an old bluegrass tune for it. :D