- Scuba 3S - Photometer for Pool & SpaSpecial Price €165.00 €132.00 Regular Price €173.00
Lovibond Scuba 3s – The Smart Solution for Pool and Spa Water Analysis
At Filter-Online, we understand the importance of keeping pool and spa water in top condition. With the latest Lovibond Scuba 3s, you get a smart and user-friendly solution for testing water quality quickly and accurately. This advanced tester combines modern technology with practical usability, giving you full control over your bathing water.
Smart Features for Easy Water Testing
NFC Data Transfer: Transfer your test results directly to your smartphone with a simple tap.
PoolAssistant App: Instantly analyze your measurements and receive recommendations for water maintenance and correct chemical dosing.
Light Indicator for Quick Status: An intuitive red/green indicator shows whether water quality is within optimal limits.
Measures up to 11 Parameters: Including total and free chlorine, combined chlorine, bromine, pH value, alkalinity, calcium hardness, cyanuric acid, active oxygen, copper, and phosphate.Thoughtful Design and Usability
Scuba 3s is designed with both functionality and comfort in mind. Its ergonomic shape makes it easy to handle, and the large display with intuitive icons ensures a clear user experience. Additionally, the device is both robust and waterproof, making it perfect for both private and professional use.
Make testing your pool's water quality easier and more precise with Lovibond Scuba 3s – available now at Filter-Online!
- ALKA-M - Photometer€5.00 €4.00
With Alka-M test tablets, you can measure the alkalinity of the pool water with our Smarttester.
The package contains 10 tablets.
- Cyanuric Acid - Photometer€3.00 €2.40
With these cyanuric acid test tablets, you can perform a measurement of cyanuric acid in the pool water in our Smarttester.
The package contains 10 tablets.
- DPD No. 1 - Free Chlorine - Photometer€2.00 €1.60
DPD No. 1 Rapid test tablets are employed for measuring levels of free chlorine in our Smarttester.
There are 10 tablets in the package.
- DPD no. 3 - Total Chlorine - Photometer€2.00 €1.60
DPD No. 3 test tablets for measuring total chlorine. Can be used in our Photometer.
There are 10 tablets in the package. - pHenol Red - pH - Photometer€2.00 €1.60
With pHenol Red test tablets, you can measure the pH of pool water in a photometer.
The package contains 10 tablets.
- Lovibond Refill Pack for Scuba 3Special Price €14.00 €11.20 Regular Price €15.00
The Lovibond Refill Pack for Scuba 3s is a convenient refill kit designed for use with the Scuba 3s digital pool tester. It includes all the test tablets needed to measure the most essential water parameters and ensures precise and reliable water quality maintenance.
What’s in the pack?
This refill pack contains tablets for testing five key values:
- Free Chlorine (DPD 1)
- Combined Chlorine (DPD 3)
- pH Level (Phenol Red)
- Total Alkalinity (Alkalinity-M)
- Cyanuric Acid (CyA Test)
All tablets are individually sealed in hygienic blister packs and are quick to dissolve, ensuring fast and accurate readings in your Scuba 3s tester.
What is it used for?
This refill is used when the original tablets in your Scuba 3s run out. Routine testing helps you maintain proper water balance – keeping chlorine, pH and stabilisers in check, ensuring safe bathing conditions and protecting your pool equipment.
Why choose Lovibond?
Lovibond is trusted worldwide for precise, easy-to-use water testing solutions. With this refill pack, your Scuba 3s remains ready to deliver reliable digital results every time you test your pool water.
- Lovibond Tablet tester chlorine/pHSpecial Price €13.00 €10.40 Regular Price €18.00
Our Pooltester Chlorine/pH is a tablet tester that measures the chlorine levels and pH value in your pool water.
Our Pooltester Chlorine/pH is easy to use. Start by removing the lid and then fill the tester with water from your pool. Now add a tablet and shake the tester. You will now be able to read the values.
NOTE! The tablet tester cannot measure the total alkalinity in the water. To measure alkalinity in the water, we recommend using SmartTest or test strips that can measure alkalinity.
- DPD No. 3 - Total Chlorine - Test for shaker€2.00 €1.60
DPD no. 3 Rapid test tablets for measuring total chlorine. You use these tablets together with DPD No. 1 to measure total chlorine in a handheld tester.
The package contains 10 tablets.
- DPD No. 1 - Free Chlorine - Test for Shaker€2.00 €1.60
DPD No. 1 Rapid test tablets are used for measuring free chlorine in our hand shaker.
The package contains 10 tablets.
- pHenol Red - pH - Test for hand shaker€2.00 €1.60
With pHenol Red test tablets, you can measure the pH of pool water in a hand shaker.
The package contains 10 tablets.
- AquaChek Test Strips 4-in-1Special Price €18.00 €14.40 Regular Price €20.00
With AquaChek 4-in-1 Test Strips, you get a fast and reliable way to test your pool or spa water. These easy-to-use strips measure four key parameters: free chlorine, pH level, cyanuric acid, and total alkalinity.
Just dip a strip into the water for a few seconds and read the results – no testing equipment needed. AquaChek is ideal for both private and professional users who want accurate results and optimal water quality with minimal effort.
The test strips come in a practical container that protects against moisture and ensures long shelf life.
The package contains 50 test strips.
- Summer Fun filter net for skimmerSpecial Price €5.00 €4.00 Regular Price €7.00
Keep your pool clean and running smoothly with skimmer filter socks. These handy socks are placed directly in the skimmer basket and act as a pre-filter, trapping small debris like leaves, insects, hair, and dirt before it reaches the main pool filter.
They help extend the lifespan of your sand or cartridge filter and reduce the need for frequent cleaning. Ideal during heavy use – after storms, high swimmer load, or falling leaves.
Benefits:
- Captures fine debris and particles
- Protects and extends main filter life
- Easy to install and replace
- Reusable (depending on use)
Pack contains 3 filter socks and fits most standard skimmer baskets.
- Summer Fun Pool & Spa Bar
Summer Fun Inflatable Bar for Pool & Spa
Once you’re in the pool or spa, there’s nothing better than having refreshing drinks and tasty snacks within reach. With the Summer Fun floating bar, you can effortlessly enjoy your favorite beverages and treats while relaxing and soaking up the summer atmosphere.
Fill it with whatever you like – a chilled glass of bubbly, a soda, crispy chips, or fresh fruit. Perfect for a relaxing day in the water!
- Summer Fun Pool Cleaning SpongeSpecial Price €3.00 €2.40 Regular Price €3.00
Sponge for cleaning e.g. the edge and waterline of the pool.
For cleaning the water line, Saniklar recommends SuperGel - here the sponge can be used to scrub SuperGel around the pool cloth. When using Saniklar SuperGel, the use of gloves is recommended.
- Summer Fun Pool Tablet Dispenser - 200 gSpecial Price €9.00 €7.20 Regular Price €11.00
With a tablet floater, you can ensure the maintenance of disinfection in your pool water using chlorine tablets.
The tablet floater is placed in the water surface with a chlorine tablet, and it will then float around in the pool while the tablet slowly dissolves and adds to the bathing water. If you prefer not to have the tablet in the skimmer basket, this dispenser is the solution.
- Summer Fun Pool Thermometer - BasicSpecial Price €7.00 €5.60 Regular Price €11.00
With a pool thermometer from Summer Fun you can easily measure the temperature of the bathing water.
You just throw the thermometer in the water and then it's just a matter of keeping an eye so you know when the bath water has a temperature where you want to jump in the water.
The thermometer is equipped with a string, so you can can tie it to the side of your pool.

























