On Sun, 18 Mar 2007 17:27:49 -0500, "DanG" wrote:

There is still a chemical reaction going on in concrete after 40
years. The initial set is 28 days. The slower it cures (stays


That answers your question.
Keep it wet for 40 years and your problems are solved !!!!
This means that on March 20, 2047 you can shut off the hose.
Set your calendar.