Cornerstone Plus does not contain additional surfactants.

What is the difference between Cornerstone Plus and Cornerstone 5 plus?

Cornerstone® Plus contains 4 pounds active ingredient per gallon. Cornerstone® 5 Plus contains 5.5 pounds active ingredient per gallon.

What is the mixing ratio for Cornerstone Plus?

MIX 3 OZ OF CORNERSTONE PLUS IN 1 GALLON OF WATER. ADD 1 OZ (OR 2 TABLESPOONS) OF A PRE-EMERGENT TO 1 GALLON OF THE CORNERSTONE PLUS AND WATER MIXTURE.