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Based on the above analysis, we can summarize: 1. The power supply for the spa jacuzzi tub is located in the equipment compartment area 2. It is usually behind the removable side panel. 3. Power is output through an independent circuit and GFCI.

• Different functions: Spa jacuzzi tub = hot water + water massage Hot tub = hot water soaking • Different structures: Spa jacuzzi tub has nozzles, piping, and a water pump system Hot tub has a relatively simple structure • Different experiences: Spa jacuzzi tub emphasizes dynamic stimulation Hot tub emphasizes static relaxation

Initial disinfection cleaning with bleach or vinegar. This is the most effective step against mold, killing bacteria and breaking down the root structure of mold. If using bleach: • Add 60–120 ml of bleach per 150–200 liters of water. • Run the massage pump for 10–15 minutes. • Let it sit for 10 minutes. • The bleach will penetrate the jets and kill bacteria.

When the spa jacuzzi tub is stationary or in a low-speed circulation state: • Impurities may deposit in low-flow-velocity areas • Lower pressure within the pipes However, when a high-power water pump is started: • A sudden increase in water flow velocity • Changes in pressure within the pipes • Deposits are suddenly agitated

When cleaning a spa jacuzzi tub, you should follow these principles: • Do not damage the equipment materials • Do not affect the nozzle structure • Do not interfere with the water circulation system • Do not leave behind residues that are difficult to rinse off

General standard: Add 60–120 ml (approximately 1/4–1/2 cup) of bleach per 150–200 liters of water. 1. Standard household spa jacuzzi tub capacity: 250–450 liters Recommended dosage: 1/2 to 1 cup of bleach (120–240 ml) 2. Larger capacity: 600–1000 liters Recommended dosage: 1–2 cups of bleach (240–480 ml)

Not necessarily, and in most cases, it is not recommended to use sand as the main support layer for a spa jacuzzi tub. When the sand loses its flatness, it will lead to uneven support at the bottom of the tub, and may even affect the stability of the massage nozzles, pipes, and base structure.

Spa jacuzzi tubs are usually designed with a higher water temperature environment to promote relaxation and comfort, but for pregnant women, excessively high water temperatures may cause discomfort.

The control system of a spa jacuzzi tub may come from different manufacturers, but in most cases, "F1" means: • Filter cycle setting prompt (Filter Cycle 1) • Temperature sensor related warning • Insufficient water flow prompt • System self-test status prompt • Low flow (Flow 1) error in some brands

LOVIA SPA spa jacuzzi tub size range: ✔ 2m × 2m × 0.8m ✔ 2.1m × 2.1m × 0.85m ✔ 2.2m × 2.2m × 0.9m ✔ 2.3m × 2.3m × 0.9m In other words, the approximate size range of LOVIA SPA spa jacuzzi tubs is from 2m × 2m × 0.8m to approximately 2.3m × 2.3m × 0.9m.

Most spa jacuzzi tubs recommend using 4mm²–6mm² copper wire, selected based on the actual current. This is significantly different from the 1.5mm² or 2.5mm² wires used for ordinary household lighting and sockets.

Does a spa jacuzzi tub always need a 220V power supply? The answer is: not necessarily. While 220V is one of the most common operating voltages for spa jacuzzi tubs in many countries and regions, it is not the only option.