Diluting concrete with water to make it workable

[Haaheo okole puka]

Air pockets = a place for water and air. Places for water and air equal several not so home friendly things. One - it reduces the structural integrity of the product. Two - it promotes premature erosion of the product. Three - it promotes premature steel failure by virtue of rust. Four - it enhances a concrete product ability to harbor mildews not only externally but also internally.