Deck - This term describes the patio that is attached to the pool itself. Typical materials and finishes include brushed concrete, spraycrete, cool deck, sundek, flagstone, and pea gravel. The deck often accounts for 20 to 30% of a pool budget.
DE Filter- A filtration system that uses a layer of fine powder (diatomaceous earth) to remove contaminants from the water. This type of filter requires a ten minute backwashing process about once a month that is accomplished by adjusting the valves. The DE powder is relatively inexpensive but must be replaced after each back washing.
Diverter valve - Iin plumbing used to change the direction of water flow.
Dry acid - Dry form of acid that can be broadcast thoughout the pool to lower PH and/or Total Alkalinity.
