Small stone left hole in sole

[Pc2003]

My horse has been in for a few days due to wet ground so his feet are quite clean for once!!
Went to pick out his feet and noticed a white bit on his sole. Back foot. I couldn't get it out at first and difficult to see as looked like part of his sole but eventually got it out and was a small stone. It was embedded so much it wasn't actually sticking out at all. It has left a hole/indent. It's in the middle of his sole closer to the white line. He is barefoot and has shown no indication of pain or discomfort inc ridden.
So will the hole cover over or should I do something? His feet are fairly soft as it's very wet. How long has it been there?! I'm worried it will get stuff in it!
The hole is very small as was the stone but it's def a hole

 

[OLDGREYMARE]

I wouldn't worry too much.You could fill it with something like red horse artimud if you have any.

 

[Goldenstar]

The best thing for this is to use a compeed blister plaster get the foot clean and dry apply plaster job done .
Honest it works

 

[tallyho!]

Leave it. It'll just grow out. Happens all the time around here.

 

[Pc2003]

Goodo. Doesn't seem to bother him so will leave alone

 

[FfionWinnie]

Wouldn't worry if not sore.