information for homeowners and professionals. Their concrete is one of the most common mixes used in professional and DIY projects. QUIKRETE Concrete Mix is used for general construction and repair of concrete where a thickness over 2 inches (5 cm) is required. Q-5000 Concrete Mix consists Quikrete 50 lbs. Sets posts without mixing. Subscribe now QUIKRETE Warranty | Store. $14.98 $ 14. - Concrete Slabs The actual design and reinforcement details must be determined by the end user. for pricing and availability. Item no. FREE Shipping. Find helpful customer reviews and ratings. Find QUIKRETE concrete mix at Lowe's today. Fountains, Patios, You can use this concrete calculator to help you determine the number of bags of QUIKRETE® Concrete Mix, Mortar Mix, or Fast-Setting Concrete you will need for the following projects.