Imo, same thing as BZT, only now with a dispenser. In fact, probably is BZT
repackaged thru middle man with dispenser idea.

This year I used very little BZT due to keeping the filter running all
winter on slow circ. start-up was very short. ~ jan


See my ponds and filter design:
http://users.owt.com/jjspond/

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
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