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ICO Spa V2 is a smart water analyser that monitors the water quality in your spa and provides personalised recommendations on the mobile app:
Connected to your Wi-Fi network, ICO Spa V2 provides you with a range of advice on treating your spa water and maintaining your equipment for optimal daily chemical and water management. The right product at the right dosage and at the right time!
Delivery in Europe
within 4 to 7 working days
Shipping in Europe
Colissimo, Chronopost and Mondial Relay
Secured payment
Monetico, Paypal
free of charge
via PayPal
ICO Spa is a smart water analyser for spas.
Using its sensors, ICO Spa measures the pH, ORP and temperature of the water once an hour. For salt versions, ICO also analyses the TDS (conductivity). ICO Spa is a technological solution that uses artificial intelligence to analyse measurements, anticipate changes in the water and then make various recommendations on the app. These recommendations, specific and personalised to your spa, guide you in adding the right product, at the right dosage, at the right time. ICO helps you keep your water clear and balanced at all times. ICO takes into account the volume of your spa, its environment (indoor, outdoor), treatment products and their packaging.
Made from ABS, ICO is resistant to UV rays and chemical treatment products. The probes are removable and protected by a rigid shell. The long-life lithium-ion battery is rechargeable (once a year at the start of the season, or twice a year if used annually).
Ondilo has designed ICO Spa so that you can enjoy your spa whenever you want, without worrying about water quality.
ICO Spa knows how to best anticipate water variations to maintain balanced water by monitoring the behaviour of your pool water and filtration times.
ICO Spa alerts you via the mobile app to best practices for simple but effective spa maintenance: adding treatment products at the right time, optimising filtration time, reminders for maintenance days such as filter cleaning.
The ICO application is available for Android and iOs. The application has several easy-to-use screens :
– the dashboard Water Index : summarises key information (data from the last measurement), the Water Index (water quality index with 5 colours), the battery charge level and the notification bulletin.
– the charts : available by day, week and month.
– the recommendations
– the parameters : in particular the type of disinfection, the volume of the spa and the products used
– thanks to the Share function, with ICO, you can share ICO data (measurements, recommendations) with your family, neighbours or friends so that they can easily take over when you're away.
Application available in 12 languages Free application on Apple Store and Play Store
Discover the ICO application in video
The Water Index is a comprehensive indicator of water quality, designed to provide a quick and reliable reading of water condition. It summarises water quality, disinfection and comfort parameters using a simple and intuitive colour code, facilitating decision-making for maintenance and use.
Light blue : optimal water quality, perfectly balanced water, no intervention required
Dark blue : qualité de l’eau satisfaisante, légers ajustements recommandés
Orange : inadequate water quality, corrective action required
Rouge : alerte – baignade déconseillée, intervention indispensable avant toute utilisation
Gris : absence of measurements or inconsistent data, analysis to be repeated
ICO Spa is compatible with:
– All types of pools: indoor spas, outdoor spas, in-ground spas, above-ground spas.
– all types of equipment (sand filters, electrolysers, variable speed pumps, etc.)
ICO Spa is compatible with:
• the following treatment systems: Chlorine, Bromine, Salt electrolysis,
ICO Spa is not compatible with active oxygen treatments.
The ICO Spa connected water analyser simplifies spa maintenance by continuously monitoring essential parameters such as pH and disinfection quality. Thanks to accurate, automatic measurements, ICO Spa alerts you in real time via a mobile app in the event of an imbalance, allowing you to take swift action. The result: consistently healthy water, fewer chemicals used, considerable time savings and complete peace of mind throughout the season.
ICO Spa analyses the quality of your pool water by taking various measurements once an hour. Thanks to its Wi-Fi connection, it automatically transmits the data to the mobile app, without any intervention on your part. Algorithms then analyse these measurements, taking into account the specific characteristics of your pool (volume, type of treatment, weather) in order to send you personalised, easy-to-apply recommendations. The measurements and recommendations are available directly on your smartphone 24/7, wherever you are.
Installing ICO and configuring the application is quick and easy. The application guides you step by step through each stage:
– Download the ICO app
– Create an account on the ICO application. A step-by-step animation will guide you through the process.
– Open the ICO box. Scan the QR code inside the box to link ICO to your account.
– Remove the bottom cover. Check that the probes are securely locked in place. Replace the bottom cover.
– Remove the top cover and the white cover. Switch on the ICO by connecting the USB cable for 5 seconds. Replace the white cover and the top cover.
– Place ICO in your swimming pool.
– Connect ICO to Wi-Fi
– The initial measurements will be available in 3 minutes, then ICO will quickly make recommendations tailored to the water quality of your pool or spa.
Getting started guide included in the box.
A true personal assistant for your swimming pool, the ICO Spa connected analyser transforms the complexity of water maintenance into a simple and intuitive experience. With 24/7 monitoring of key water parameters, ICO Spa provides you with personalised advice and does more than just take measurements.
Through its personalised recommendation system, the app guides you step by step, whether you need to adjust chemical dosages, plan weekly maintenance (cleaning skimmers, robots, etc.), anticipate weather impacts (rain, wind, heat waves) or detect any measurement inconsistencies. By entering the products and equipment used in the app, the recommendations are tailored to your specific configuration.
Accessible directly from the app, these recommendations and notifications enable you to take swift action. The results: healthy, crystal-clear water, a significant reduction in chemical consumption, and effortless, optimised maintenance.
| Warranties | ICO : 2 years, battery and sensors : 1 year |
| Sensors | Chlorine/Bromine version: 2 plug-and-play probes: pH, ORP/Redox (disinfection) Salt version: 3 plug&play probes: pH, ORP/Redox (disinfection), TDS (salinity) |
| Analyzed Data | Temperature: 10 to 40°C, pH: from 0 to 14, ideal value 7.2–7.4 for chlorine and salt, 7.4–7.6 for bromine ORP/Redox (disinfection), in mV, ideal range between 650 and 750 mV TDS for Salt versions, in ppm, ideal range between 3,000 – 5,000 ppm Weather |
| Connectivity | Wi-Fi 802.11 b/g/n (2.4 GHz) Bluetooth Low Energy (BLE) (Bluetooth version 4.0 and later) |
| Battery | Lithium-ion, long-lasting and rechargeable 5V |
| Application | Compatible with iOS (version 14.0 and above) and Android (version 6.0 and above) in 12 languages (free download) |
| Eco-contribution | The price shown includes the eco-contribution. |
| Waterproofness | IP68 |
| Weight | 0.7 kg |
| ICO dimensions | 15 x 11 x 6 cm |
| Packaging dimensions | 16,1 x 16,1 X 24,3 cm |
| Home automation | Home Assistant, Jeedom, Eedomus |
The ICO Spa V2 Essential+ box includes:
ICO Spa is a connected water analyser that monitors the quality of your spa water. Ondilo designed ICO so that everyone can maintain their pool with complete peace of mind. Simply place it in the water and ICO Spa will continuously analyse the quality of your pool water 24 hours a day and provide personalised recommendations on the right dosage of the right products at the right time. The sensors measure the pH, ORP and water temperature once an hour. Thanks to its algorithms, ICO Spa alerts you via the mobile app to best practices for simple but effective maintenance of your spa, including treatment and maintenance products.
Thanks to meteorological data, ICO can accurately predict water level fluctuations, helping you avoid unpleasant surprises.
Equipped with 2 or 3 probes, ICO Spa continuously measures the following parameters:
– The pH
– L’ORP-redox (appelée le taux d’oxydo-réduction) mesure la capacité de désinfection. ICO Spa estime à partir de ce paramètre la concentration des molécules actives de chlore et brome et autres agents de désinfection.
– Water conductivity (TDS) for Salt versions, which enable the salt concentration to be estimated
– Water temperature
Find out more about les mesures d’ICO
ICO connects to the weather and collects weather forecasts in order to anticipate possible water variations. Indeed, temperature and meteorological events (wind, rain, storms...) have an influence on water quality.
With its instant weather connection system, ICO alerts you and sends you useful and practical notifications. For example, in the event of strong winds, ICO alerts you to remind you to cover your spa in time and prevent it from losing a few degrees.
Maintaining your spa becomes child's play with ICO Spa. Much more than just a sensor, this smart water analyser acts as a personal coach for your pool. It continuously monitors your parameters (24/7) to give you a clear reading of your spa's water condition, without any technical complexity.
The dedicated app supports you on a daily basis. Depending on your equipment and the products you use, ICO Spa sends you targeted recommendations:
– Addition of products with the appropriate dosages. You receive the right information at the right time to take effective action.
– Weekly maintenance reminder: cleaning filters, skimmers, etc.
– Anticipation of weather variations (storms, heat waves).
By following these tips, you will reap three benefits: you will enjoy crystal-clear water, save money on products, and save precious time.
Find out more about ICO recommendations
ICO is compatible with :
• the following treatment systems: Chlorine, Bromine, Salt,
• Chlorine Bromine versions are equipped with a platinum ORP sensor, Salt versions are equipped with a gold ORP sensor
• The TDS probe is fitted to the Sel versions.
ICO is not compatible with active oxygen treatments.
ICO is compatible with :
• types of pools: indoor, outdoor,
• these construction profiles, whether above ground or buried,
- all types of equipment (sand filters, pumps with or without variable motors, etc.)
If you have a tarpaulin, don't worry, ICO can slip underneath it.
The ICO application is compatible with Android (from version 6.0) and IOS (from version 14.0)
To download the mobile application, simply go to the Play Store (Android) or Apple Store (iOS), search for the application called ICO, and then install it on your smartphone.
12 languages are available in the application. The user cannot choose the language. The application automatically defaults to the language of the phone.
ICO integrates Wi-Fi and Bluetooth connectivity. The wifi allows you to connect ICO to your internet box. In case of non-reception of the wifi at the edge of the swimming pool, it is very simple to extend its wifi in the garden thanks to repeaters or CPL sold on the market.
Find out more about la connexion Wi-Fi et Bluetooth d’ICO
Bluetooth enables communication between the mobile application and ICO, particularly during installation (Wi-Fi connection configuration) and for certain specific features accessible via the Remote Control icon (e.g. restarting via the application).
No, ICO is an analysis device that then notifies you via its application of any product additions to be made.
You can connect ICO to your Alexa voice assistant* using the ‘My Connected Island’ skill. This is not yet available for Google Home or Apple HomeKit.
ICO can connect to certain home automation systems via Home Assistant, Eedomus and Jeedom plug-ins for ICO, and an API (technical skills required).
Before placing ICO Spa in the water, please read the quick start guide.
– Download the ICO app to your smartphone and create an account on the app
– Link ICO to your account by scanning the QR code
– Check that the probes are securely locked in place.
– Switch on ICO
– Place ICO in water
– Connect ICO to the Wi-Fi network.
Find out more about la mise en route d’ICO.
The ICO battery should be charged every 6 months using the USB cable provided.
During winter storage, we recommend storing ICO in a room at room temperature (15-25°C) after recharging the battery.
Find out more about recharger la batterie ICO.
No. ICO is delivered calibrated and charged, ready to use! As with any measuring instrument, calibrating the probes ensures accurate measurements and optimises the service life of your probes.
We recommend calibrating the pH and ORP probes on your ICO:
– seasonal use: each time you restart your pool
– annual use: every six months.
The pH probe is calibrated using buffer solutions at pH 4 and 7, and the ORP is calibrated using a 470 mV solution.
More about calibration des sondes.
Under normal use, the probes are designed to last for several years. Depending on the conditions of use and winterization, the life span is 2 to 4 years for the ORP and pH probes, and 5 to 6 years for the TDS probe.
All sensors are replaceable except the temperature sensor.
Replacing a probe couldn't be easier: using the tool provided, simply unclip the old one and clip on the new one with a simple movement. The twist & lock system allows you to turn the probe a quarter turn into the designated slot. Each sensor has a specific colour that serves as a marker when replacing them. Check that the probes are correctly positioned: the two notches (one on the device, the other on the probe) must be aligned.
Find out more about remplacement des sondes.
ICO Spa is designed to remain in the water among bathers. However, if you wish, you can place it in the skimmer or temporarily remove it from the water and place it in a bucket filled with pool water.
If you wish to take ICO out of the water, it is possible, but you must make sure that you place back the probe protectors by having first moistened the small sponges placed inside. These protective caps are designed to maintain the durability of your probes.
Whether for a single use or prolonged use, it is strongly recommended that you replace the protective caps on the probes. For winter storage, be sure to place ICO back in its box, protected from dust, and store it in a room at room temperature (15–25°C).
When you order ICO Spa, you will receive 1 ICO Spa, with 2 or 3 probes depending on the version, 1 USB cable, 1 tool for opening the top cover, 1 tool for removing and replacing the probes, and 1 quick start guide.
The ICO app, compatible with Android and iOS, is free of charge.
No subscription is required.
ICO Spa comes with a 2-year warranty, and the battery and sensors come with a 1-year warranty.
Ondilo has created a unique, patented technology to simplify the management of your swimming pool in a highly complex environment: water chemistry. Ease of use and durability are the cornerstones of our ICO product range. We design products that are easy to use and durable. The sensors and electronic box can be easily repaired or replaced, which facilitates maintenance and extends the life of our devices.
As a French company, we are committed to supporting industry and employment among our partners located in the Rhône-Alpes and Provence-Alpes-Côte d'Azur regions.
Controlling water balance depends on reliable measurements. Here is a detailed comparative analysis between traditional manual methods and the innovative connected solution from ICO Spa. This comparison summarises the performance and limitations of each method.
criteria |
strips |
electronic tester |
ICO connected water analyser |
Frequency of measurements |
one-off (manual) |
one-off (manual) |
continue once per hour |
Accuracy |
Approximate and subjective (colour chart) |
High |
High |
pH |
None |
Regular (once a month) |
Seasonal (once every six months) |
Storage/shelf life |
6 to 12 months maximum (sensitive to humidity) |
Probe to be replaced (1-2 years) |
Probe to be replaced (18-24 months) |
Measurement history |
None |
None |
Yes (day/week, month) |
Personalised advice |
None |
None |
Yes, depending on the volume and the treatment products used. |




