Filterpump and filter Intex

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Filterpump and filter Intex

A filter cartridge is just like a vacuum cleaner
We often get the question how many times you should replace the filter cartridge. 
It's difficult to give a correct answer, but we always compare a filter cartridge with a vacuum cleaner. 
The more you vacuum, the cleaner your home will be. 
The more you filter, the cleaner and better your water quality is. 
The more you replace the dust bag, the cleaner you can vacuum you house.

The more you change the filter cartridge, the better the water quality. 
 

How long do you have to filter the poolwater?
The more your water is filtered, the better your water quality. This is very clear.
But how long should your filter run?
Well: 

When the outside temperature is less than 20°C, let the filter run for 12 hours. 
When the outside temperature is more than 20°C, let the filter run for 24 hours. 
Tip: Set the filter operating time with a clock, In this way, you can choose to let the filter run at night. 

Maintaining a filter
Maintaining a cartridge filter
The neater the filter, the better the water can be filtered. 
It's recommended to clean a filter cartridge regularly with a cleaner for filter cartridges. With the nozzle cleaner, you can already remove a lot of dirt from the filter. Ofcourse you can't keep rinsing the cartridge and it's recommended to replace the filter regularly. 
How many times you have to clean and replace the filter is hard to say. This depends on several factors, such as how often you swim, is there a tree in the neighbourhood, how is the water maintained,... It may of course not be that the filter looks completely green or brown. Then the filter has little effect on the cleaning of the water. 
Maintenance of a sand filter. 
A sand filter requires very little maintenance.
If the sand filter has not been circulating for a while, the sand will start to cling together and you will naturally have to replace te sand. 

Choose a filter to suit your pool
To know what filter capacity you need to filter your pool, you need to do a little calculation. I emphasise 'small', because it doesn't take much time. You have to divide the amount of water by 4. This way, the pool is completely filtered in four hours. 
Calculation:
* Square or rectangular pool:
Length x width x height
e.g: Length 8 m x width 4 m x height 1.45 m = 46.40 litres of water = 46.40 m³. 46.40 m³ : 4 = 11.60
For the example given, you would need a filter pump with a flow rate of at least 11,60 m³/h. 
* Circular pool:
Radius x pi x height
(The radius is half the diameter e.g. diameter is 6, then the radius is 3.)
Example: radius 3 m x radius 3 m x pi 3.14 x height 1.50 m = 42.39 litres water = 42.39 m³
42,39 : 4 = 10,60
For the given example you would therefore need a filter pump with a flow rate of at least 10.60 m³/h 

Types of filters
To filter your pool you can use two kinds of filters, 
a cartridge filter and a sand filter. 
Cartridge filter: 
A cartridge filter is easy to install and does not take up much space. A cartridge filter is also called a pattern filter and works with a filter pattern. The pool water goes through the filter cartridge and so the water is filtered. A filter cartridge is easy to replace and is low in price. When purchasing a cartridge filter, all accessories needed, such as water hoses, are included in the filter in one package. 
Sand filter: 
A sand filter has better filtering characteristics and is cheaper than a cartridge filter, but it is a bigger investment. 
With a sand filter, the pool water enters the sand filter from above and sinks down through the sand. As the water descends along and between the sand, dirt from the water remains with the sand. This is how the water is filtered. 
Because the water descends via the sand, a lot of dirt remains in the sand after a while. In order to clean the sand, a backwash (rinsing) must be carried out. 
By performing a backwash (every three weeks), the dirty water is pumped through the backwash and the water goes to the sewer or to another drain. After 5 years, you should replace the filter sand wiuh new sand. The amount and type of sand to be used in the sand filter is alwas indicated on the sand filter.