Inquiry (采购产品): hydrochloric acid I am trying to find muriatic acid >31% to remove concrete opaque stain from my patio and surrounding pool area. I know someone who used this strength and had good results. I am unable to find any strenght greater than 31% in my local area. Please help if you can. Cynthia **** Hidden Message ***** Cynthia Rhaly Ridgeland, MS 39157 USA Company: SH Enterprises E-mail: crhaly@bellsouth.net **** Hidden Message ***** crhaly@bellsouth.net
