Surecrete 15104002 1 gal SCR - Super Concrete Renovator is a concentrated concrete cleaner, degreaser, and etcher which is a safe alternative to muriatic acid for driveways, sidewalks, pool decks and patios. Manufactured for the solution to go into the pores of the concrete and to bubble the impurities out to be rinsed away. Learn how to clean concrete, cement, bricks, and pavers.