When you encounter crystal deposits upon opening a pool, helping your industry grow through research is as easy as 1, 2, 3! Building and servicing pools in the Northeast, and other cold weather climates, presents unique challenges. The industry shares wide ranging opinions on admixtures for cementitious products, winterization, winter management, and opening procedures. An even wider array of opinions exists as to what may be causing scaling and crystallization on cementitious surfaces at a significantly higher rate than we have seen in the past.