Once hardened, will borate dissolve?

[JimK]

Put it in the pool. It will eventually break up and dissolve.

Thanks. Will it hurt the vinyl liner if it sits there in direct contact for an extended period? Should I put it in a bucket, then put the bucket in the pool to avoid direct contact with the liner?

At least I'll know not to do that again, or at least add the borate powder slowly into the water and not the other way around......LOL.