DIY Lawn Care Tips and Tricks | Yard Mastery

Sulfate of Potash (SOP) Today we are happy to announce a new entry into the online marketplace, a sulfate of potash (SOP) supplement coming in a 0-0-48 analysis. This product is designed for those of you who have soil tests that indicate you have a potassium deficiency in your soil. It is not designed to change the color of the lawn - it is purely made to correct potassium deficiencies.This formulation has a low salt index and will not burn the lawn - can be applied in high heat of summer o...