replying to alvinamorey, Gusq805 wrote:
3 bags will not give u the minimum psi on 1 yard think obout 500psi per ea
90lb bag of Portlan so if you need a yard of grout a minimum psi recommended
is 2000psi there for u need 4 bags per yard if you need a 2500psi mix up will
need 5 bags
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