www.farmingsecretsblog.com Why test for pH? Bruce Davison, Candelo shows Hugo Disler of Farming Secrets how easy it is to find out his soil pH. In just a few minutes Bruce can find out whether his soil is acidic or alkaline. By monitoring his soil like this, it quickly shows Bruce what is happening in his soil and why weeds may be thriving. Then Bruce can start applying more of his worm juice to raise the pH in more acidic areas.