- Jul 5, 2012
- 33
Hello,
I've been testing my pool and get no CH (calcium hardness).
Vinyl in-ground pool.
Is there any reason to add CaCl2 to bring this up, or OK to let it be low?
I've been testing my pool and get no CH (calcium hardness).
Vinyl in-ground pool.
Is there any reason to add CaCl2 to bring this up, or OK to let it be low?