2009101 ensp 0183 enspLast year I installed a pea gravel patio at my house What I did was put down about 5 inchs of AB3 wetted it and then tamped it down to a hard surface On top of that I put about 3 inches of pea gravel Its comfortable to walk on with no shoes and also nice to look at The problem is that it doesnt stay tamped down Soon after it becomes very