To increase the water content of fresh concrete to make conditions failed. Make it easy and yummy, but they make is when the ratio of water to cement. When fresh concrete is too liquid to break easily.
Adding water to make a liquid concrete. It is easily poured and compacted. But to make a drop of water to cement ratio higher. When concrete is too liquid to rupture easily.
Increasing the amount of water fresh concrete condition to pour liquid and crowded easily. But it was reduced when water cement ratio to rise. When the fresh concrete is too much liquid is broken easily.