


Pool Check 3 in 1
50 Tests - Best selling UK, EU & US Pool 3in1 Test Strips. Identify quickly that your pool & spa water is safe to use.
Maintaining a swimming pool or hot tub is essential for ensuring the safety and health of those who use it, as well as prolonging the lifespan of the equipment. One of the most effective ways to do this is by using PoolCheck 4-Way test strips.
The first benefit of using these test strips is that they provide accurate and reliable results for the four most important parameters in pool and hot tub maintenance: pH, total alkalinity, chlorine and bromine. This means that you can easily identify any issues with your water chemistry and take the necessary steps to correct them.
Another benefit of using PoolCheck 4-Way test strips is that they are easy to use. Simply dip the strip into your pool or hot tub water for a few seconds, then compare the color change to the chart on the bottle. This eliminates the need for complicated equipment or a professional to test your water.
Another important aspect of using these test strips is that they are a cost-effective solution for pool and hot tub maintenance. Instead of hiring a professional to test your water or purchasing expensive equipment, you can simply purchase a bottle of test strips and use them as needed.
Moreover, using test strips can help you to detect problems early on, which means that you can take action before they become a major problem. For example, if you detect a high pH level, you can take steps to lower it before it causes damage to your pool or hot tub equipment.
In conclusion, maintaining your swimming pool or hot tub is essential to ensure the safety and health of those who use it, and prolong the lifespan of the equipment. PoolCheck 4-Way test strips are an easy, accurate and cost-effective way to do this. They can detect problems early on, which helps you to take action before they become major issues. So it is very important to maintain your swimming pool and hot tub using PoolCheck 4-Way test strips.
These test strips have a unique safety feature, which is called ‘bleach-out’ warning: if there is too much chlorine in the water they will go black.
Other test systems may not show when chlorine levels are too high. Quite the opposite, when more chlorine is in the water than a test can measure for, the indication maybe ‘zero’ which can result in dangerously high levels of chlorine in the water. The ‘bleach-out’ warning stops this from happening and ensures high safety for pools and spas, and hence these test strips are preferred by industry professionals.
✅ Wide Test Range:
- Free Chlorine: 0, 0.5, 1, 3, 5, 10, 20 ppm
- Bromine: 0, 1, 2, 6, 10, 20, 40 ppm
- Total Alkalinity: 0, 40, 80, 120, 180, 240, 360 ppm
- PH: 6.0, 6.4, 6.8, 7.2, 7.6, 8.2, 9.0
✅ Bottle of 50 tests
✅ 20 Second Test Time
How to Use:
- Simply dip one test strip into your pool or spa for 5 seconds with a gentle back-and-forth motion.
- Remove the strip and shake once, briskly to remove excess water. Wait 15 seconds for colours to develop.
- Compare test pads with colour chart on the bottle within the next 30 seconds for best results.
Sku: 481335

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.