It is said that the sharpening of knives is not a mistake for firewood choppers. The wisdom of the ancients tells us that preparation is indispensable in advance. As a matter of fact, it is also crucial to deal with the matter well. Modern people know more and more about enjoyment, so many people like to use the massage bathtub, but do you know how to clean and maintain the massage bathtub? Let's take a look at the following: 1. If there are scratches on the surface of the bathtub, it only needs to be polished with No. 2000 terrazzo paper, then coated with toothpaste, and polished with soft cloth to be as clean as new. 2. The scale on the surface of the bathtub can be wiped with a soft cloth after slightly heated with a mild acid detergent, such as lemon juice and vinegar. 3. When the hydraulic friction device is clean, it can fill the bathtub with 40 degrees Celsius hot water, add Cleaner 2 grams per liter, start the hydraulic massage for about 5 minutes, stop the pump to drain, then fill the cold water, start the hydraulic massage for about 3 minutes, stop the pump to drain and clean the bathtub. 4. The surface of the cylinder block is dirty and can be wiped with a wet towel. This process can be repeated three times, which can be as clean as new. 5. Do not use rough surface cleaning tools, cleaning agents containing chemical solvents or particles to clean the surface of cylinder blocks. 6. Do not use hard objects or blades to scratch the surface of the bathtub. At the same time, do not let cigarette butts or heat sources above 70 camera system touch the surface of the bathtub. 7. After using the bathtub, drain the water and disconnect the power supply. 8. When the backwater and nozzle are blocked by hair and other debris, they can be screwed down and cleaned. 9. Gold-plated and chrome-plated parts do not need to be wiped regularly.