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  1. Home
  2. Quality pool water

Quality of pool water

To keep the water in your swimming pool clear and healthy, you need to test the water quality on a regular basis. The chlorine and pH values play an important part in this regard. However, the alkalinity and cyanuric acid content are also important parameters. In this category, you can find all the swimming pool testers to help you check the water in your swimming pool.

Blue Connect Plus - Salt
Willy's Choice
Blue by Riiot intelligent water tester

Blue Connect Plus - Salt

481,28 €
  • Intelligent analysis device
  • Gives step-by-step plan to improve the quality
  • Measures pH, chlorine, temperature and conductivity
  • Also for salt electrolysis
The ultimate intelligent analysis device
Oto & pH 3-way test kit
Willy's Choice
Oto & pH 3-way test kit

Oto & pH 3-way test kit

12,50 €
  • Test kit with vials
  • For measuring chlorine and pH levels
Test kit for water quality
AquaChek TruTest digital water tester
Digital tester water quality

AquaChek TruTest digital water tester

84,49 €
  • Digital tester to check the water quality
  • To analyse Chlorine, pH and Alkalinity
  • 25 test strips included
  • Power source: 2 x AA penlite battery (not included)
Digital tester for chlorine, pH and alkalinity
AquaChek Red 4-in-1 test strips
AquaChek Red 4-in-1 test strips

AquaChek Red 4-in-1 test strips

14,94 €
  • Test strips used to measure the pH value, bromine content, alkalinity and total hardness
  • 50 strips per package
Test strips used to measure the pH value, bromine content, alkalinity and total hardness
Hanna Calibration Fluid pH 4.01 – 20 ml
Top seller
pH 4.01 Hanna Calibration Fluid 20 ml

Hanna Calibration Fluid pH 4.01 – 20 ml

2,25 €
  • Hanna Instruments calibration fluid
  • pH 4.01
  • Buffer solution
Buffer solution from Hanna Instruments
Scuba II Lovibond Electronic tester
Top seller
Scuba II Lovibond Electronic tester

Scuba II Lovibond Electronic tester

115,00 €
  • Electronic tester for water quality
  • Measures chlorine, pH value, alkalinity and cyanuric acid
  • Contains test tablets en 2 AAA batteries
  • Best price / quality
Electronic tester for water quality
Climazur test strips (50 pieces)
Promotion
Test strips for water quality

Climazur test strips (50 pieces)

12,00 €
  • Test strips to measure water quality
  • Analyses free chlorine, pH and total alkalinity
  • 50 pieces per package
  • Result in 30 seconds
Test strips to measure chlorine-, pH-value and total alcalinity
Blue Connect Plus Battery
Promotion
Blue Connect Plus Battery

Blue Connect Plus Battery

24,95 €
  • Lithium battery
  • Easy to replace
Blue Connect Plus Battery
Email me when product is in stock
Blue Check Pool&Spa 5-in-1 test strips
Top seller
Blue Check Pool&Spa 5-in-1 teststrips

Blue Check Pool&Spa 5-in-1 test strips

12,95 €
  • For measuring pH, chlorine, bromine, alkalinity, hardness, cyanuric acid
  • Free app
  • 50 test strips
  • Read off after 10 seconds
Blue Check 5-in-1 test strips
Pool Lab 1.0 Electronic tester
Pool Lab 1.0 Electronic tester

Pool Lab 1.0 Electronic tester

129,00 €
  • Electronic tester for water quality
  • Measure Alkalinity, Bromine, Chlorine (total), Chlorine (free), Bound Chlorine, Hardness, pH, Stabilisation
  • Contains test tablets en 2 AAA batteries
  • Free access to the PoolLab application
Pool Lab 1.0 Electronic tester
Lovibond DPD no. 3 reagent tablets
Reagent tablets for Scuba II

Lovibond DPD no. 3 reagent tablets

19,95 €
  • Reagent tablets for Scuba II
  • Measures total chlorine
  • 100 tablets per pack
Reagent tablets for Scuba II
Aquachek Salt test strips
Aquachek Salt test strips

Aquachek Salt test strips

14,00 €
  • 10 test strips
  • Measure the correct salinity
  • Specially for salt electrolysis systems
Aquachek Salt test strips
Tablets Pool Lab 1.0 digital tester (70 pieces)
Tablets Pool Lab 1.0 digital tester (70 pieces)

Tablets Pool Lab 1.0 digital tester (70 pieces)

19,95 €
  • Refill kit for the Pool Lab 1.0 digital tester
  • 20 Tabl. DPD 1 photometer
  • 20 Tabl. Phenol Red photometer
  • 10 Tabl. DPD 3 photometer
  • 10 Tabl. Alka-M photometer
  • 10 Tabl. CyA-Test photometer
Tablets Pool Lab 1.0 digital tester (70 pieces)
Lovibond DPD no. 1 reagent tablets
Lovibond DPD no. 1 reagent tablets

Lovibond DPD no. 1 reagent tablets

19,95 €
  • Reagent tablets for Scuba II
  • Measures free chlorine
  • 100 test strips per package
Reagent tablets for Scuba II
DPD and pH analysis kit Lovibond
DPD and pH analysis kit Lovibond

DPD and pH analysis kit Lovibond

19,95 €
  • Manual testing of chlorine and pH
  • Including chlorine and pH tablets
  • Accurate measurements with colour codes
DPD test set
Lovibond Phenol Red reagent tablets
Phenol Red Scuba II

Lovibond Phenol Red reagent tablets

19,95 €
  • Reagent tablets for Scuba ||
  • Mesures total chlorine
  • 100 tablets per pack
Phenol Red Scuba II
Email me when product is in stock
AquaChek Yellow 4-in-1 test strips
test strips Aquachek 4-in-1

AquaChek Yellow 4-in-1 test strips

12,00 €
  • 50 test strips Aquachek
  • Measure chlorine, pH, alkalinity and cyanuric acid
  • The world's most commonly used test strips
  • Fast, easy and accurate
Test strips Aquachek 4-in-1
Blue Extender
Blue Extender

Blue Extender

59,00 €
  • Connects your Blue Connect Plus to your WiFi network
  • Keeps your Blue Connect Plus online
Keeps your Blue Connect Plus online at all times
Why test the pool water?

Why test the pool water?

Testing the water quality is important for maintaining a healthy swimming environment. If there is an imbalance in the quality of the water, the bacteria will not be killed. This can lead to you contracting certain symptoms associated with swimming, such as intestinal problems.

In addition, poor water quality can also cause damage to the swimming pool and the filter installation. Excessive acidity or too much chlorine can affect the components and pipes, with the result that they may have to be replaced.

How do you test the swimming pool water?

There are different methods for testing the swimming pool water. On the one hand, there are the manual pool testers. On the other hand, there are also digital alternatives available.

If you want to test the water in your swimming pool by hand, you can use pool test strips or a pool water test set.

With the test strips, you simply dip the test strip briefly in the water and then read off the water quality against the colour code on the packaging. Most test strips measure 3 or 4 values.

If you use a pool water test set, then you can only test the chlorine and pH values. Take a little bit of water from the pool, add 5 drops of the test liquid and compare the colours in the test set with the packaging.

Among the digital variations, we recommend the Scuba II from Lovibond. With this, you test the pool water quality using test tablets. Take a test tablet, put it in the digital tester and dissolve the test tablet. After a few seconds, you can perform the test and read off the value of a particular parameter. With the Scuba II from Lovibond, you can test 4 different values with the test tablets.

You can find more information about the manual testers or digital testers on the relevant product pages. On each page, we explain how you can check the water quality with that particular swimming pool tester.

What pool tester should you buy?

If you’ve decided to buy a swimming pool tester, you can do this in our webshop. However, you can also buy a pool tester from one of our physical outlets.

At Willy Naessens Swimming Pools, you don’t just get your pool tester for the right price. You can also get answers to all your questions there. We are happy to explain how your pool tester works and what to look out for.

What pool tester should you buy?
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