mstu

Time flies like an arrow; fruit flies like a banana I think that was the Marx brothers. Michael

Kitty litter, the cheapest kind (bentonite, not fuller's earth), and certainly use the unscented kind. It should dissolve into mud when wet if it's the right kind. Mix in a bag of perlite or vermiculite (potting soil additives), then when it dries, fill in the cracks with more of the same. It should be less than $10 to fill a forge that size. Michael