On 20 Mar 2005 07:44:47 -0800, wrote:

BZT will it work in cool water,Just restarted my 3500gal pond for
spring,can i put a dose of BZT in now water is below 50 degrees F.
I live in Maryland,Harford cnty.

If my memory serves me right, 50*F was the starting point. Anyone?
~ jan

~Power to the Porg, Flow On!~