Pool Products It’s time to start relaxing. Caribbean Blue and Spa by Haviland are simple to use products that will make relaxation easier to achieve. Run into pool problems? Our products are tough enough to tackle any situation. All Pool ProductsAlgaecidesBalancersDisinfectantsEnhancersShocksTrouble Shooters Filter: All Pool Products All Items Algaecides Balancers Disinfectants Enhancers Shocks Trouble Shooters Aqua Prep 30 Protect your pool surfaces and equipment by monitoring… See More Aqua Prep 25 Prevent scale formation and boost chlorine production by… See More Aqua Prep 20 Increases pH in pool water to prevent corrosion… See More Aqua Prep 10 Increases total alkalinity in pool water. Helps stabilize… See More