What to do with old MA?

[JimK]

Here is the thread you are thinking about but it doesn't mention MA. PoolDoc should be able to advise you about this, though. I'll ask him to chime in here.

http://www.poolforum.com/pf2/showthr...-and-chemicals

Thanks.

I hope you're enjoying the holiday weekend. Today's a great pool day here in SE VA.