Then, gather the concrete mix of your choice, tools to mix and scoop it with, plenty of water, and either small plastic bags of a large roll of cling wrap. When mixing your concrete it’s best to ...

1. Obtain a representative concrete sample from the revolving drum truck mixer. 2. Using a scoop, place concrete in the cylinder molds. For 6 by 12 inch molds, place in three equal layers (1/3 ...