Avoid using a spa jacuzzi bathtub in the following situations: 1. If you have a fever or cold 2. If you have heart disease or high blood pressure without a doctor's permission 3. If you are pregnant 4. If you have consumed alcohol or taken medication that affects blood pressure 5. If you have open wounds or skin conditions 6. If you are with young children or are unattended 7. If you are in an excessively hot environment for extended periods of time 8. If you are using a spa jacuzzi bathtub alone

Six main reasons for fatigue when using a spa jacuzzi bathtub: Reason 1: Hot water immersion causes a drop in blood pressure Reason 2: Water stimulation causes excessive nerve excitation followed by counterinhibition Reason 3: Water pressure causes micro-damage to muscle tissue Reason 4: Accelerated metabolism leads to excessive energy expenditure Reason 5: Over-relaxation of the central nervous system Reason 6: Environmental factors disrupt sleep rhythms

Substances not recommended for use in whirlpool jacuzzi bathtubs include: 1. Foaming bath products 2. Essential oil products 3. Coarse-grained bath salts or scrubs 4. Highly concentrated chemical cleaners or disinfectants 5. Dye-based or highly colored bath products 6. Alcohol-based care products

Visual Identification: Visible Signs of Contamination · Black or yellow stains around the nozzle: This is usually due to the accumulation of scale, mold, or sebum. Abnormal oil or bubbles on the water surface: A milky white film or persistent foam on the water surface indicates the presence of grease or detergent residue.

Because spa jacuzzi bathtubs have a closed body, a circulating heating system, and independent water and drainage systems, they don't rely on fixed plumbing like conventional bathtubs, offering greater flexibility. As long as the power supply, water supply, and space requirements are met, spa jacuzzi bathtubs can operate effectively indoors or outdoors.

Advantages of freestanding jacuzzi bathtub: 1. Diverse functions and strong comfort 2. Beautiful shape, enhance the style of space 3. Flexible installation and strong adaptability 4. Independent use and convenient maintenance 5. Suitable for high-frequency users Disadvantages of the freestanding jacuzzi bathtub: 1. It occupies a large space and has high requirements for the room type 2. High installation requirements and complex construction 3. High maintenance and cleaning costs 4. High water and power consumption 5. High initial purchase cost