Quote:
Originally Posted by alcland1
This is good to know. I would think the lime stone had a chemical reaction and i would also say depending on the location of some quarries stone dust may have a % of lime in it. Would this be why ICPI wants us all to use mason sand?
|
Not mason sand, washed concrete sand. Mason sand is too fine for bedding. ICPI has always said no stone dust due to the moisture retention, but I have never heard of the corrosion issue as seen above.