Senor...After it is poured and set up you can't keep it too wet. As Primemovers dad stated the perfect cure would be 99 years underwater. The slower it cures the tougher the concrete is. You ever see them pour a sea wall? Put the forms in the water, back the truck or barge up to the forms and pour away. Concrete sea walls last for years and years without deterioration. The best thing you could do is dampen it down and cover it with plastic for awhile, but for the most part just wash it off once or twice a day will do the job. The biggest thing with concrete is make sure you get the expansion joints sawed in to control cracking. Now a SAFETY LESSON...ALWAYS wash off concrete if it gets splashed on you. I was pouring footers for my first garage by myself and the guy running the concrete truck told me to be sure to keep it washed off or I could get concrete poisoning. Never heard of it. I worked around concrete with my dad for years and never had a problem. On concrete guy in town was known as the barefoot concreter. He never heard of it. Well...I got it. When I was pouring the footers, I was down in the concrete. It came up over the top of my boots a couple of times but I didn't think it was anything to be concerned about. I finished up pulled my boots off and my ankles were a little red. Just about like a mild sunburn. I took a shower, washed them off, and they looked a little redder. They were starting to hurt a little so I layed down on the couch. This was on a Sat. By Sun. they were really painful but I figured it would go away with a little ointment on them and some Tylenol. By Monday I couldn't get my shoes on, feet swollen up about 4 times their normal size, couldn't walk at all, and severe pain. Made it to the doctor. He stated do not go back home, go straight to the hospital. I was on antibiotic IV's for 5 days straight, physical therapy for 2 weeks after that to keep the circulation moving, and off work for 2 months. Huge scars on my ankles from the chemical burns and discoloration of the skin. It is something I never ever would want to go thru again. So if ever messing with concrete, use safety precautions and make sure you keep it washed off.