In winter some outdoor pools will be closed one after another, especially in the northern region, the temperature drops faster than in the south, and the closing time is earlier than in the south.

If swimming pool equipment is not properly maintained and repaired after the season, it is prone to failure. Therefore, it is crucial to conduct appropriate maintenance on outdoor pool water treatment equipment once the swimming season is over.

Dry maintenance method: after the pool is out of use, the water is drained and brushed clean.

Then when the temperature drops to 0 ℃, the following two methods are available to the pool for anti-freezing measures and to strengthen the maintenance of the winter icing period. Use pool cover film to cover the bottom and walls of the pool.

Before covering the pool, you need to clean the pool body thoroughly, and then make sure that the pool cover edge is tightly against the pool, and will not fall into other substances to contaminate the pool.

Water-based maintenance method: filling the pool with water for the winter. This method is suitable for areas with no freezing period or short freezing period in winter and has the advantages of low cost and easy management.

Additionally, introducing regionally appropriate fish into the pool can be a way to generate extra income. However, this method has drawbacks, such as an increase in algae and water rust, leading to a higher burden of cleaning and maintenance before the pool can be used again in the summer.

Employing a water-based maintenance strategy for swimming pools during the winter does not merely involve keeping the pool filled with water and leaving it unattended. When temperatures drop to 0°C, it's crucial to actively maintain the pool to prevent damage caused by the freezing of the water.

Here are specific techniques to prevent pool water from freezing:

1. Keep the area around the pool clean, regularly removing and salvaging debris from the water to minimize floating and accumulation.

2. Install grass mats on the walls surrounding the pool to act as insulation, helping to prevent the water from freezing.

3. When ice begins to form, break up any floating ice with large wooden mallets to prevent it from forming a solid layer.

Moreover, in colder climates, it's essential to drain water from the pumps, heating systems, and filters to protect them from freezing temperatures. These components typically feature a drain plug to facilitate the removal of water, preventing freeze-induced expansion and consequent damage inside the machinery.