I used these for my walls. - Quikrete 50 LB Ready Mix - These were the lowest cost in my area at Lowe's.
I used these for the top of the culvert wall for bridging. - Quikrete 80 LB Ready Mix - These were from Lowe's.
Specific Use - Quikrete RIP RAP - Commercial grade blend of Portland cement and specially graded sand, packaged in a Fiber Reinforced, Biodegradable Bag for erosion control applications. Used for: Culverts, Sea Walls, Embankments, Slopes, River Banks, Dams and Canals.
RIP RAP Projects and Erosion Control - A PDF document for RIP-RAP product at the Quikrete website. This may give you some ideas and information regarding their recomendation.
Architectual Digest - 52 Retaining Wall Ideas That Will Elevate Your Landscaping - This is a Pinterest link featuring one of my concrete bag walls. You can can read Architectual Digest's full article and see some great wall and landscaping ideas.
