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The main drain outlet of the spa hot tub should be as close as possible to the lowest point inside the tub, and slightly higher than the ground level. Specifically: • The outlet height is typically 5–15 cm above the bottom of the tub.

Method 1: Citric Acid Solution (Safest) Citric acid is a weak acid that gently dissolves rust without corroding the acrylic. 1. Add 1–2 tablespoons of citric acid powder to warm water. 2. Stir to dissolve, then spray or apply the solution to the rust stains. 3. Let it sit for 10–15 minutes. 4. Gently wipe with a soft sponge. 5. Rinse thoroughly.

Resin hot tubs are typically made of fiberglass resin. They are low-cost and easy to manufacture. Acrylic spa hot tubs mostly use high-strength sanitary-grade acrylic sheets. The material itself possesses extremely high surface hardness, excellent scratch resistance, corrosion resistance, and UV resistance.

The official dimensions of a 6-person hot tub at LOVIA SPA are: • 2300 × 2300 × 880 mm (i.e., Length 2.3 m × Width 2.3 m × Total Depth 0.88 m) When calculating the gallon capacity, the total depth of 880 mm is not used directly.

The main material of an acrylic spa hot tub is PMMA (polymethyl methacrylate), also known as plexiglass or acrylic sheet. The material of an acrylic spa hot tub is completely different from ordinary plastics (such as ABS and PVC), and its performance and texture are superior.

Many consumers mistakenly believe that an acrylic spa hot tub is entirely made of "pure acrylic," but this is not actually the case. Acrylic spa hot tubs are not entirely made of acrylic; they are a composite of two materials: 1. Surface layer: Sanitary grade acrylic sheet 2. Backing reinforcement layer: Fiberglass reinforcement layer

For more accurate size determination or to compare different models, you can refer to the specific parameters provided by the brand. For example, LOVIA SPA's 9-person spa hot tub (3800×2250×920mm) is a typical extra-large unit, suitable for large outdoor spaces or commercial settings.

The dimensions of the 9-person spa hot tub at LOVIA SPA are: 3800 mm × 2250 mm × 920 mm If considered as a complete rectangular space, the theoretical volume is: 149.6 × 88.6 × 36.2 ≈ 479,000 cubic inches Converting to gallons (1 gallon = 231 cubic inches): 479,000 ÷ 231 ≈ 2073 gallons

Step 1: Rinse the casing surface Step 2: Prepare a mild cleaning solution Step 3: Wipe the casing with a soft sponge Step 4: Treat stubborn stains Step 5: Rinse thoroughly with clean water Step 6: Dry the surface to prevent watermarks Step 7: Optional—Polish with acrylic conditioner

While ordinary plastics may meet short-term, low-requirement usage scenarios, for long-term, high-temperature, and high-load applications like spa hot tubs, acrylic spa hot tubs are a more rational, safer, and more professional choice.

In most Balboa spa hot tub systems, the high-temperature limit switch is not installed on the control panel or in a user-visible area, but rather near the heating system.

The surface of an acrylic spa hot tub has a natural high gloss, achieving a mirror-like reflective effect. This gloss is not artificially created through coating, but is determined by the material itself, thus giving it a very high-end look.