If the cyanuric acid content of the whirlpool spa tub is slightly higher than 50 mg/L, but not more than 80 mg/L, a gradual adjustment can be taken without immediately emptying the tub. The problem of excessive cyanuric acid content can be alleviated by the following methods: ● Partial water change ● Reducing chlorine content

The shell material of a whirlpool spa tub is one of the main factors that affect the price. Cheap whirlpool spa tubs are usually made of relatively low-cost materials, such as ABS plastic or other thinner synthetic materials. Expensive whirlpool spa tubs are usually made of higher-quality materials, such as acrylic.