Hot Tub Filters

Hot Tub Filters

Hot Tub Filters

Welcome to the Hot tub/ Spa filter cartridges Section.

We believe that searching for your replacement filter cartridge by the spa brand is by far the easiest method.

How can I tell when a filter cartridge needs to be replaced?With no moving parts or electrical switches to fail, filters cartridges do not have a defined end-of-life. Instead the filter will gradually plug up over time.In a typical spa, the culprit that plugs the filter is perspiration and body oils combined with soaps, chemicals and very fine particulate. In a swimming pool, the loading is primarily debris along with sun tan lotions and organic matter such as algae.

Assuming the filter is properly maintained and correctly sized to the pump, determining when the filter cartridge is exhausted depends primarily upon three factors: Shorter cycle time between cleanings.: Low water flow rate and high differential pressure.

    Catastrophic failure such as a tear in the filter or center core collapse.

There are more than 500 shapes and sizes of spa filter cartridges in use today..

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Sum of our hot tub filters brands          Filter Help

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The filters are made of polyester or other material that can provide a superfine filtering surface. The pleats are the key to the filter's operation. The tight pleats, or folds, allow for a large amount of material to be used in a small container. The more material used, the larger the surface area available to capture dirt or debris from the water. The fabric catches and holds the impurities until the filter can be cleaned or replaced. There 3 parts to a cartridge filter construction,end caps (made of plastic) core structure to provide strength (most often PVC) and the pleated media (most often polyester with a continuously graded fixed pore structure, these cartridges provide pre- and final filtration within the same cartridge resulting in lower overall filtration and disposal cost.
Two methods are used in spas with respect to cartridge filters, pressurized canisters,in which the spa filter is not visible when in use, and secondly flow through systems, which are visible when in use and often the spa has 1-5 filter cartridges in this design. Flow through filter system in spas and hot tubs are the preferred method of design today for all major hot tub brands
The cartridge can filter out anything down to about 5 to 10 micrometres in size. In most areas cartridge filters are less expensive than diatomaceous earth filters but cost more than sand filters. However cartridge filters are more popular because of the minimal maintenance involved. In some cases it may be sufficient to simply hose off the cartridge filter a few times during swimming season to keep them working properly. Others may need to soak the filters in detergent or replace them. In any case, maintenance takes only a few minutes to the filtration system operational.
There are more than 500 shapes and sizes of spa filter cartridges in use today..