dry acid for fiberglass pool?

[rainman168]

Hi, does anyone know if dry acid is safe to use in a fiberglass pool? Thanks in advance.

 

[JohnT]

Hi, does anyone know if dry acid is safe to use in a fiberglass pool? Thanks in advance.

It is safe if used properly, but it needs to be thoroughly dissolved in a bucket of water before it goes in the pool. Otherwise it will settle on the bottom.