San Juan warrants its surface finish against staining, discoloration and excessive fading due to defects in materials and workmanship for 10 years from the date of installation, but not gradual and reasonable color and surface degradation caused by exposure to chemicals or the environment. The pools Iridium surface finish includes combinations of color pigment and UV protection and this pigment like any material may be subject to minor levels of dulling over time if exposed to direct sunlight. However, any dulling should be uniform in nature and can be re-polished by applying a professional boat polish to the pool surface. Homeowners must not remove the water from their pool but should use only a licensed pool water management professional who understands the effects of draining a pool and how it is affected by ground water pressure. You must abide by specific cautions provided in the San Juan Manufacturer’s Limited Structural Warranty.