Best Ondilo Ico Spa 2026

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Last Updated - 22.07.2026

Best Choice

01

ondilo

Ondilo ICO SPA V2 Essential+ Electronic Water Analyzer for Saltwater Spas, Hourly Measurement of PH, Redox Potential, Total Solids Content and Water Temperature, Calibration Kit

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【PERSONALIZED RECOMMENDATIONS】: Personalized tips based on the volume and type of disinfection of your hot tub. Various recommendations (addition of treatment agents, weekly maintenance). ICO recommends you the right product at the right dosage and at the right time
Technical features: long-lasting lithium-ion battery that is charged via the USB port with the included USB cable (1 time every 6 months). Wi-Fi and Bluetooth connection
SUITABLE FOR SALT TREATED SPA With its ORP probe in gold, ICO Spa is compatible with salt-treated spas (electrolyzer)
Optimal spa water quality: ICO Spa monitors your spa 24/7, analyses the water quality and sends you tips on your smartphone when necessary. ICO Spa accompanies you with the Water Index (colour-coded bath index)
Intuitive application: easy to use thanks to measurement graphics, dashboard and recommendations. - Available graphics: Day view, week, month
Designed and manufactured in France
Calibration kit included: (4 buffer solutions, 1 bracket) - no calibration when starting - calibration frequency: at the beginning of the season (seasonal use), 2 times/year (annual use)
Automatic measurement: ICO Spa measures the water temperature, pH value, ORP - redox disinfection and TDS - salt content (amount of salt) every hour

449,00 €
02

ondilo

Ondilo ICO Pool V2 Essential+ Salt - Electronic Water Analyzer for Salt Pools - Measures PH, ORP, TDS and Water Temperature All Hours - Calibration Kit Included

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Technical features: WiFi and Bluetooth connection. Long battery life with rechargeable lithium-ion battery that charges via the USB port (once every 6 months), includes USB cable
Monitor the water of your pool remotely: Ondilo pool salt analyses the water quality 1 time per hour and sends you advice on your smartphone if necessary. ICO Pool recommends the right product at the right dosage and at the right time
Individual tips: depending on your pool (volume), the type of treatment chosen and the location. Various recommendations (addition of treatment agents, weekly maintenance, filtering)
Includes calibration complex: (4 buffer solutions, 1 bracket) - no calibration at start - calibration frequency: at the beginning of season (seasonal use), 2 times a year (annual use)
Easy and intuitive use: the measurement charts, dashboard and recommendations are available on the application. Graphics: day, week, month view
Developed and manufactured: in France
Compatible with salt swimming pools: with its golden ORP probe, ICO Pool is compatible with salt water pools (electrolysis)
Automatic measurements: ICO Pool Sel measures water temperature, pH, ORP (redox) and TDS (salinity) every hour. ICO Pool accompanies you with the Water Index - Bath Index (colour code for water quality)

449,00 €
Value for Money

03

ondilo

Ondilo ICO Spa V2 Essential+ Chlorine Bromine - Connected Water Analyzer for Chlorine or Bromine Treated Hot Tubs - 1 Time/Hour PH, ORP, Water Temperature - Calibration Kit Included

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[TECHNICAL FEATURES]: Connect with WiFi and Bluetooth. Long-lasting lithium-ion battery and rechargeable thanks to the included USB cable (1-2 times per year depending on seasonal or annual use)
[PERSONALIZED RECOMMENDATIONS]: Personalized recommendations depending on the volume and type of disinfection of your hot tub. Various recommendations (addition of treatment agents, weekly maintenance, filtration, weather)
[Monitor the water in your distant spa]: ICO Spa monitors your spa 24/7, analyses water quality and sends you recommendations to your smartphone. ICO Spa recommends the right product at the right dosage and at the right time
[Includes calibration kit]: (4 buffer solutions, 1 bracket) - no calibration when starting - calibration frequency: at the beginning of the season (seasonal use), 2 times/year (annual use)
[Compatible with Chlorine or Bromine Spa]:With its platinum Orp probe, ICO Spa is compatible with chlorine and bromine treated hot tubs.
Easy and intuitive use: on the app there are measurement graphics, dashboard and recommendations. Graphics: Day view, week, month
Developed and manufactured in France
Automatic measurements: ICO Spa measures water temperature, pH and disinfection (ORP redox) 1 time per hour. Charts of available readings on the app (day, week, month). ICO Spa guides you with the Water Index (water quality indicator) and its intuitive colour code

399,00 €
04

ondilo

Ondilo ICO Pool V2 Essential+ Chlorine Bromine Water Analyzer for Chlorine or Bromine Treated Pools, Hourly Measurement PH, ORP, Water Temperature, Calibration Kit Included

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【TECHNICAL FEATURES】: Connect with WiFi and Bluetooth. Long-lasting lithium-ion battery, rechargeable via the USB port (1 x every 6 months) with the included USB cable
【 PERSONALIZED RECOMMENDATIONS】: Depending on your pool (volume), the type of treatment chosen and the location. Various recommendations (addition of treatment agents, weekly maintenance)
Monitor the water from your remote tape: ICO Pool monitors your pool 24/7, analyses the water quality and sends you recommendations on your smartphone. ICO recommends you the right product at the right dosage and at the right time
Easy and intuitive use: measurement graphics, dashboard and recommendations are available on the app. Graphics: Day view, week, month
Designed and manufactured in France
Compatible with chlorine and bromine pools: with its platinum orp probe, ICO Pool is compatible with chlorine and bromine basins
Calibration kit included: (4 buffer solutions, 1 bracket) - no calibration when starting - calibration frequency: at the beginning of the season (seasonal use), 2 times/year (annual use
Automatic measurement: ICO pool measures the water temperature, pH value and ORP (redox) every hour. ICO Pool guides you with the Water Index - Bath Index (colour coded for water quality)

399,00 €
05

ondilo

Calibration and Regeneration Set for ICO Probes - Solutions pH 4, pH 7, ORP 470 mV, Regeneration Included, Compatible with ICO Pool and Spa - Optimises the Accuracy and Life of Sensors

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【NEW SOLUTION INCLUDED】: Includes an additional solution for the regeneration of the probes
Increased accuracy: pH buffer solutions pH 4, pH 7 and ORP 470 mV for reliable measurements
Full compatibility: compatible with ICO Pool and ICO Spa for versatile use
Durability of the sensors: Regular calibration maximises the life of your sensors
COMPLETE KIT Includes an ICO calibration bracket and instructions for calibrating and replacing sensors

50,20 €
06

ondilo

ICO Pool V2 Salt - Electronic Water Analyzer for Salt Treated Swimming Pools - Hourly Measurements of pH, ORP, TDS and Water Temperature - Advice on Your Smartphone

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Technical features: Wi-Fi and Bluetooth connection. Long-lasting and USB port rechargeable lithium-ion battery (once every 6 months), thanks to the included USB cable
Personal tips: depending on the pool (volume), the selected treatment type and the location. Various recommendations (adding care product, weekly maintenance, filtration).
Monitor the water of your swimming pool at a distance: ICO Pool sel analyses the water quality 1 time/hour and sends you tips on your smartphone if necessary. ICO Pool recommends the right product, in the right dosage and at the right time
Compatible pool salt: with its golden ORP sensor, the ICO pool is compatible with salt-treated swimming pools (electrolyzer)
Automatic measurements: ICO Pool Sel measures water temperature, pH, ORP (redox) and TDS (salinity) every hour. ICO Pool accompanies you with the water index - bath quality index (colour code for water quality).

432,81 €
07

ondilo

Ondilo pH Sensor for ICO Pool and Spa, Blue pH Probe with Calibration and Storage Solutions Compatible with ICO Pool and ICO Spa

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Store pH Probe: When you are wintering your ICO, it is necessary to store it in a room with room temperature between 15 and 25 °C. The small sponges also need to be soaked with the storage solution (KCL), insert them into the bottom of the black corkscrew, and then place this lid on the probe
PRECISE MEASUREMENTS The pH probe (blue) accurately measures the pH of the water in your pool or spa
Easy installation: thanks to the included disassembly key with your ICO (Twist & Lock system) allows for hassle-free installation
Compatible with ICO POOL and Spa: designed for perfect operation with connected water analyzers ICO Pool and ICO Spa V1 or V2 to ensure complete compatibility
Calibration of the pH probe: as with any meter, calibration of the probes allows accurate measurements and optimisation of the service life of the probes. Calibration is required when replacing the pH probe. After that, the calibration must be carried out at each ICO start (seasonal use) or every 6 months (annual use)
COMPLETE KIT INCLUDED This kit includes a pH probe, pH 4 and pH 7 calibration solutions, a storage solution, a calibration stand and detailed instructions (English language not guaranteed). Not in English)

99,00 €
08

ondilo

Ondilo ICO WiFi Pool Monitor Pool Water Monitor Pool Water Monitoring Device 1 Piece Tablet 4375635031

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

It takes into account meteorological changes and notifies you of measures
It goes under the shutter and into the skimmer/connected to Wi-Fi - Bluetooth/charging once per season, like a phone, via USB charger/its sensors are replaceable. ICO freshwater pool consists of 4 probes: pH, ORP Platinium, TDS and temperature.
ICO's artificial intelligence allows you to prevent the variations of your pool's fresh water and warn you of visible and invisible inconveniences in time. It fits all freshwater pools: chlorine - bromine.
ICO connects you to your freshwater pool thanks to its app on the smartphone and quickly analyses the quality of your water to give you recommendations on doses and care.
Example: ICO reminds you to cover your pool before the wind arrives

409,00 €
09

ondilo

Ondilo ORP-Sensor für ICO Chlor- und Bromversion – ORP-Sonde mit Kalibrierungs- und Speicherlösungen – kompatibel mit ICO Pool und ICO Spa

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【ORP-Sonde Lagerung】: Wenn Sie Ihren ICO überwintern, ist es notwendig, ihn in einem Raum mit Raumtemperatur zwischen 15 und 25 °C zu lagern. Die kleinen Schwämme müssen auch mit der Speicherlösung (KCL) getränkt werden, sie in den Boden des schwarzen Korkenziehers einführen und dann diesen Deckel auf die ORP-Sonde legen
Präzise Messungen: Die ORP-Sonde (orange) misst genau den ORP-Redox-Wasserdesinfektionsgrad Ihres mit Chlor oder Brom behandelten Pools oder Whirlpools
Komplettes Set im Lieferumfang enthalten: Dieses Set enthält eine Platin-ORP-Sonde, eine ORP 475-Kalibrierungslösung, eine Speicherlösung, einen Kalibrierungsständer und eine ausführliche Anleitung (evtl. nicht in deutscher Sprache)
Kompatibel mit ICO POOL und Spa: Entwickelt für den perfekten Betrieb mit angeschlossenen Wasseranalysatoren ICO Pool und ICO Spa V1 oder V2, um eine vollständige Kompatibilität zu gewährleisten
KALIBRIERUNG DER ORP-SONDE: Wie bei jedem Messgerät ermöglicht die Kalibrierung der Sonden genaue Messungen und optimiert die Lebensdauer der Sonden. Die Kalibrierung ist bei jedem ICO-Start (saisonaler Gebrauch) oder alle 6 Monate (jährlicher Gebrauch) durchzuführen
Einfache Installation: Dank des mitgelieferten Demontageschlüssels mit Ihrem ICO (Twist&Lock-System) ermöglicht eine problemlose Installation

99,00 €
10

ondilo

Ondilo ICO Spa Salt - Smart Water Analyzer for Hot Tubs - Connected to Your Smartphone - Against Water Fluctuations - For All Salt Spas (Electrolysers)

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The sensors are replaceable. 4 probes: pH, ORP (specific for salt treatment), TDS and temperature.
Suitable for all spas with salt treatment
ICO also works under the ceiling / connected to Wi-Fi - Bluetooth
ICO Spa Salt connects you to your spa thanks to the app on the smartphone and quickly analyses the quality of your water to give you recommendations on product dosages and care
Charge 1 time per season, like a phone, via USB charger

419,00 €