In article ,
says...
I had no luck on tablets either, but got a liquid solution called
Permoxn (made by Kordon) from Big Als. Couldn't find it at the LFSs.

Thanks lgb - that helps!

If you can't find it on the website (I couldn't) give them a call and
they'll give you the part number. IIRC, PetSolutions carries it too.

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BNSF = Build Now, Seep Forever