Xtra Blue

tim5055

Mod Squad
TFP Expert
LifeTime Supporter
May 11, 2014
10,316
Franklin, NC
Generally not.

But, few of us here use tabs at all except for special needs, like vacation or low on CYA.
 

Donldson

TFP Expert
LifeTime Supporter
In The Industry
Jun 12, 2009
3,886
NW Ohio
No. They have copper in them which is something we specifically avoid adding to pools.

If you need trichlor use pure stuff.