Our tips for cleaning your spa


To fully enjoy the benefits of your spa, it is necessary to maintain a healthy and balanced water but also to clean your spa regularly. Here are all our practical tips to do at home.

Taking care of your spa has never been easier with ICO! 

ICO SPA measures, analyzes your water 24/7 and sends you recommendations via the application: it guides you to add the right product, with the right dosage, at the right time to keep your water healthy and clear.






A balanced water is based on three criteria that are measured via the pH (water acidity) and TDS (Total Dissolved Solids – water hardness) indicators : 

1. Healthy water (water sanitation)
2. A comfortable water for the skin 
3. Water that preserves the life of coatings and equipment.

TAC and TH measures can be used as control indicators. However, they only partially measure ions, unlike the TDS probe integrated in ICO.

To disinfect the water, it is necessary to measure the chlorine content. It has an antibacterial and anti-algic power.

There are several categories of chlorine: total chlorine, active chlorine, free chlorine and finally potential chlorine. It is important to know which chlorine is being measured if you are using strips, as this can lead to a misinterpretation of the chlorine content of your spa and the health of the water.

ICO measures active chlorine, which is solely responsible for water disinfection. 

The filtration quality in the SPA is essential to maintain the quality of the water.

The filtration system allows to retain all the impurities that are deposited in the water (hair, residues of creams,…). There are several types of filters (cartridge filters, sand filters for swim spas) that must be cleaned according to the frequency of use of your spa. Empty the filter regularly (8 to 15 days depending on the filter and the frequency of use) and rinse with clear water.

A shower with soap and a thorough rinse are essential before enjoying your spa.  






  • Spa shell and cover: with a damp sponge and water. Special SPA cleaning products are available in stores, but you can simply use clear water and a damp sponge without soap or detergents.
  • Waterline: This is often the most difficult part to clean because of the greasy residue that settles there. Use a special spa waterline cleaner for easy and effective cleaning. You can also lower the water level slightly for better visibility by turning off the power beforehand. 



Every three months or so, it is recommended to change the water completely. This will allow you to thoroughly clean the equipment in your spa.

  • Remove the equipments: remove all accessories (headrests, filters) to clean them separately according to the instructions.

  • Clean the pipes: they must be cleaned before emptying with suitable products. Respect the indicated installation time then operate the pump to circulate the product.

  • Drainning: proceed with the draining according to the manufacturer’s advice. When the tank is empty, proceed with the complete cleaning of the spa: tank, cover, water line. Rinse thoroughly to remove all traces of product. Use a wet vacuum if necessary.

  • Filling: Once the tub is rinsed and dry, you can put it back in the water. Reinstall the filters and turn on the heater. Finally, add the usual disinfecting products. If you have ICO, you can immerse it after 24 hours and start it up again. The measurements will start automatically. 



This is a very nice and easy way to keep track of the water quality of my SPA. Previously I used an electronic tester which required multiple measurement iterations with different agents which was very tedious. So very happy with my ICO now !


“Perfect. Ideal system and discreet enough in a spa.”

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