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The outdoor environment does increase the challenges to color stability of acrylic hot tubs. However, "more yellowing" is not an inevitable result. Whether significant yellowing occurs depends on a combination of factors: • Acrylic material grade • Surface treatment quality • Whether it has a UV-stabilized design • Usage and cleaning habits • Degree of environmental exposure

Under normal circumstances: • Single person use: Acrylic hot tubs can easily support a body weight of 100–150 kg. • Multiple people use (2–4 people): The system can support a body weight of 300–500 kg or even more. Even with the weight of water, the overall system remains within safe limits.

In modern usage environments, acrylic hot tubs are significantly superior to cast iron bathtubs overall. Reasons include: • Lighter and easier to install • More comfortable feel • Better suited for hot water use • Enhanced safety • Lower maintenance costs • Greater design flexibility.

From a material performance perspective: • Acrylic's heat distortion temperature is much higher than the normal operating temperature of a hot tub. • Daily hot water use will not reach the material's softening range. • Temperature changes will not weaken its structural load-bearing capacity.

✔ The answer is: The vast majority of high-quality 4-person spa hot tubs come standard with an electric water pump. ✔ And they are equipped with at least one jet pump; some models may also include a circulation pump.

Nozzles are one of the most common sources of leaks in hot tubs. The rubber gaskets or seals behind the nozzles gradually age due to age, temperature changes, and exposure to chemicals.

Color itself does not determine the durability of an acrylic hot tub. The reasons are: • White acrylic has the same base material as other colored acrylics. • Durability is determined by the molecular structure and manufacturing process of acrylic.

Taking the LOVIA SPA 6-person hot tub as an example: • Dimensions: 2300 × 2300 × 880 mm • Weight when full of water: 2190 kg • Dry weight: 350 kg • → Water weight = 2190 kg − 350 kg = 1840 kg ≈ 1840 L (Water = 1 kg/L) General filling time range: Approximately 1–3 hours.

LOVIA SPA 4-person hot tub specifications: • Dimensions: 1810 × 1810 × 770 mm • Dry weight (empty tub): 230 kg • Total weight when filled with water: 1130 kg This means that, in addition to the 230 kg of the tub itself, the water accounts for approximately 900 kg, which is the main component of the spa hot tub's weight.

List of 15 Substances That Should Not Be Used with Acrylic Hot Bathtubs 1. Strong acids 2. Strong alkalis 3. Chlorine bleach 4. Industrial solvents 5. High-concentration alcohol (>70%) 6. Acetone, thinners, adhesive removers 7. Abrasive cleaning tools 8. Abrasive cleaners 9. Hot water 10. Dye products 11. Essential oil bath products 12. Abrasive bath salts 13. Pet supplies 14. Strong drain cleaners 15. Any tools that generate abrasive friction

LOVIA SPA products typically feature a standardized, deeper water level design, resulting in a larger capacity than other brands. Its 1810×1810×770 mm 4-person spa hot tub, with a capacity of approximately 360–430 gallons, fully meets the industry standards for high-end spa hot tubs.

LOVIA SPA 5-person spa hot tub specifications: • Dimensions: 2300 × 2300 × 880 mm • Dry weight (without water): 350 kg • Weight when full (including water): 2190 kg