I used the Adolfs meat tenderizer because Spike was a big poo fan. He had it in his mind that Sugar's litter box was his personal buffet.

It worked great for us. I used it for about 2 weeks and never had to use it again.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226