I know this is a mixed bag but you really should include the size of the rocks (average). I bought 2 bags and thought they were too many small ones which fell though my holding grate. Other than that, they did the job with the remaining med to large ones.
QUESTION I have a Vollrath Model No. 407302 Will this Lava rock work in this char broiler Lava Rock Model 133-1104
ANSWER Yes, these lava rocks should work in any gas charbroiler. Thanks!
By: zimbe man From: calif Date: Sep 26, 2014
QUESTION what is the chem comp of this product of course you do not need to go down to ppm just basic comp
ANSWER Hello, according to the MSDS Sheet these rocks are igneous rocks consisting primarily of aluminum, calcium, iron, magnesium, and sodium silicates. Thank you!