On 5/1/2018 2:14 PM, Philip jones Jones wrote:
replying to gfretwell, Philip jones Jones wrote:
Thats is wrong. Concrete does not need other source to get strong. It will
take 50 years to reach its true strength. Water has nothing to with
strength
infact water is more destructive than a strength maker.

If you want it to get hard fast, there is a Viagra additive to mix in.
It will stay hard for more than 4 hours too.