Concrete mix is a blend of sand and rock. The general rule is to mix 1 part cement to 5 parts concrete mix. Too much water can reduce the strength and durability, as well as cause cracking.Order This Item
Mechanical mixers are available from equipment rental stores and make mixing easy. Remember: easy is good.
When mixing by hand, form a crater for adding water and mix 2-1/3 to 3 quarts per 50 lbs. cement mix. If too stiff, add more water a little at a time. Avoid a soupy mix which can cause problems.
A mixture of sand and rock, 3/4″ down to river sand.
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