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All Wellis Life Deluxe models sold by TwoRelax feature UV-stabilised acrylic shells — the industry standard for quality outdoor hot tubs in Germany. Acrylic is the preferred material for outdoor whirlpool shells because it is non-porous (resists bacteria), smooth (easy to clean), UV-stable (no colour fade from sun exposure), and retains heat better than alternative materials. TwoRelax delivers all Wellis acrylic models across Germany with white-glove installation.
Why Is Acrylic the Best Shell Material for Outdoor Hot Tubs?
| Material | UV Stability | Hygiene | Heat Retention | Lifespan |
|---|---|---|---|---|
| Acrylic (Wellis) | Excellent (UV-stabilised) | Non-porous, no bacteria harbour | Good insulator | 20–30 years typical |
| Fibreglass | Good | Porous surface — can harbour bacteria if gel coat damaged | Moderate | 15–25 years |
| Rotomoulded polyethylene | Moderate | Non-porous but textured | Poor | 10–15 years |
| Stainless steel | Excellent | Non-porous, easy to sanitise | Poor (conducts heat) | 30+ years |
How Is the Wellis Acrylic Shell Constructed?
Wellis acrylic shells are manufactured from high-gloss sanitary acrylic (same material as quality bathtubs) with ABS backing for structural rigidity and fibreglass reinforcement for impact resistance. The three-layer construction (acrylic surface + ABS + fibreglass) provides: a smooth, chemically resistant interior surface; structural strength to resist water pressure and bather loads; and thermal properties that reduce heat loss through the shell itself.
What Colours Are Available for Wellis Acrylic Shells?
Wellis acrylic shells are available in several colours including pearl white, sterling silver, mocha, and others depending on the specific model and production run. Cabinet finishes include natural wood tone composites, anthracite grey, and white. Contact TwoRelax when ordering to confirm the available colour combinations for the specific model and delivery timing you are considering — production schedules can affect colour availability.
How Is the Acrylic Shell Maintained?
The Wellis acrylic shell requires minimal maintenance: wipe with a soft cloth and mild non-abrasive cleaner when draining and refilling every 3–4 months. Avoid abrasive cloths or cleaning products containing acetone or chlorinated solvents — these can damage the acrylic surface. TwoRelax provides a complete maintenance guide with every delivery, including acrylic care instructions specific to German water chemistry conditions.
Disclaimer: The information in this article is provided for general informational purposes only and does not constitute professional, medical, electrical, or installation advice. Product specifications, jet counts, dimensions, electrical requirements, pricing, and availability — whether relating to TwoRelax products or third-party brands — may be inaccurate, incomplete, or subject to change without notice. References to third-party brands, companies, products, or pricing are included for general context only and are based on publicly available information at time of writing, which may vary significantly by dealer, region, configuration, and date. TwoRelax makes no warranties as to the accuracy of any such third-party information. Always consult current official product documentation, installation manuals, and qualified professionals before making any purchase or installation decision. Health, wellness, and therapeutic information in this article is for general reference only and is not medical advice — consult a qualified physician before beginning any health or therapeutic programme. Individual results vary. TwoRelax accepts no liability for any decisions made, or actions taken, in reliance on the content of this article.
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