Always go alkaline first. If you have to use Acid, then follow up with Groutmaster to neutralize the acid. Acid, if left without using an alkaline after the acid will degrade the grout.For those of us that do not have truck mounts or spinners to do high pressure rinsing.
With very high ph (GM) or very low PH (kick acid) cleaners how do recommend neutralizing the chemical reaction?
Why I asked “can one use the kick acid as a rinse for GM in lower mixture dissolutions?”