Darken the color of your mixture.
Use only with Rapid Set® cement products.
Add to concrete, mortar or grout.
Dark is an additive that darkens the shade of gray color of Rapid Set® cement products. Add up to 4 packets maximum per 50-lb to 70-lb bag by dry blending Dark uniformly into Rapid Set cement products. Dark may be used with all other Rapid Set® Concrete Pharmacy® products.
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Dark resources available in PDF format