Help file

Fluid volume required "Clay"
The volume of fluid required is based on a 2:1 up to 5:1 ratio of fluid to soil.

 

Fluid volume required "Sand"
The volume of fluid required is based on a 1:1 up to a 2:1 ratio of fluid to soil.

 

Suggested drill rate
The suggested drill rate is based on the time required to pump the calculated volume of fluid across the length of a rod, based upon the corresponding fluid to soil ratio