Built upon 21 acres of oceanfront, Aulani, a Disney Resort & Spa, welcomes Guests in true local fashion, calling on your natural passion and Aloha spirit to help us cultivate an experience that is upbeat, colorful and rooted in tradition. + Ability to understand the basic principles of water chemistry as they pertain to Life Support systems (DO, pH, Temperature, Nitrogen cycle, turbidity, ORP/HRR, oxidizers, algaecides, rules governing chemical application, biological filtration, nutrients, etc.).