Adding too much water weakens your concrete. When that happens your aggregate or rock that is in the concrete begins to sink lower in the poured area. That leaves the lighter weight cement and sand at the top. This can lead to very quick pitting and damage to your poured area especially things like concrete driveways.
Today there are is a great number of additives you can use to improve the strength of your concrete. Plastisizers, hardeners, helps it set quicker, fiberglass strands which add strength.
Hardscapes Inc. has all the answers to the question of how to create great solid concrete. Why not give us a call.