Time is money, and waiting for a concrete slab to dry is expensive. But with some mix modifications -- primarily to reduce water-cement ratio -- ready-mixed concrete producers can offer contractors and owners quick-dry concrete at a premium price as an alternative to months of waiting. The Concrete Producer devised a testing program using proprietary mixes from the Flanagan Ready Mix Division of CAMAS, Denver. [KEYWORDS: quick-dry, floor, dry, moisture-emission]