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By Annie from Boulder City, NV
Yes you can, but what you want to use is regular Elmer's Concrete Bonder or Elmer's Probond. It's used to bond new concrete to old. When mixed into the concrete it acts as fortifier making your stepping stones stronger and more weather resistant.
Not sure why you thought u needed glue as previous posters have said it is mostly cement and water according to the instructions on your bag of cement. If it was to use as a sealer, unless it is NOT water soluble(eg. Elmers school glue IS water soluble.) I would think your best bet for sealing would be an actual clear sealer for cement, usually sold in home improvement stores.
My experience making stepping stones, I just used the concrete mix without rocks. There is a fiber additive you can mix in but don't really need it. Trick is to tap mold to remove as much air as possible then let them cure slowly. I let them set in the mold a day in the shade, then turned them out onto a tarp, and let them dry about a week in the shade. Good luck!
All you need to do is follow the instructions on a bag of cement. It's simply the cement and water. Using anything other than in the instructions will weaken the final product.
I have 2 16"x16x1" concrete forms for making patios or just stepping stones. My question is should I use quick setting concrete or just concrete? Also, what would be the ratio of water to concrete?