First, turn off the power and drain the hot tub. Then, clean the inside of the tub using a non-caustic cleaner and a soft cloth or sponge.

Wipe the hot tub shell with a damp cloth or sponge to remove dirt and dust. For stubborn stains, use a mild cleaning agent or soapy water.

Use hot tub cleaner or disinfectant, diluted as instructed. Spread the cleaning agent over the inside of the hot tub, including the walls, bottom and nozzle. Use a soft brush or sponge to scrub corners and crevices. Then rinse the interior with clean water to remove any cleaning agents.

This depends on the frequency of use and water quality. Generally, replacing the water every  3-4 months is ideal. If you notice that the water quality has deteriorated or has a noticeable odour, it may need to be replaced sooner.

Most people prefer to set their hot tub temperature between 100-104 degrees Fahrenheit (38-40 degrees Celsius). However, this can vary depending on personal preference.

Regularly cleaning your hot tub and keeping the water clean can prevent algae growth. In addition, consider using an anti-algae agent.

Discoloured water can be due to mineral deposits, algae growth or chemical reactions. If the water becomes cloudy or has an odour, it may need to be replaced.

This depends on the frequency of use and water quality. Generally, it is ideal to change the filter once a year.

First, check to see if the power is on. If the power is on, the pump may be malfunctioning and you need to contact a professional for inspection and repair.

The jets may be clogged or there may be a problem with the water pipes. You can try cleaning the jets or checking the water pipes for breaks. If the problem persists, you may need to contact a professional for repairs.