MMH
Gold Member
I am putting in some french drains. I was planning to cut a ditch that is 12" wide and 3 feet deep, drop a 4" solid (non-corrugated PVC or HDPE) perforated pipe. I was going to fill with 2" to 3" crushed limestone. This is just regular non-washed aggregate. One of my friends suggested that I use river rock instead saying that it ill let the water flow thru it better & that the aggregate will silt up. Cost is an issue. I can get crushed stone for $14 per ton vs. $32 per ton for the river rock. I'm inclined to go w/ the crushed stone but thought that I would post the question here first to make sure I'm not making a mistake.