Water Testing

Discover an extensive range of tropical water testing products, selected for tropical fish enthusiasts

Here at Watermarque we know the importance of regular water testing for tropical aquariums and its effect on your fish’s health and safety.  Browse our selection of tropical water testing products including the Tetra test 6 in 1 test strips to check for harmful levels of substances in your aquarium, for example Ph Nitrite Nitrate KH (carbonate hardness), GH (general hardness) and chlorine.


Keep it quick and keep it clean

Don’t let water testing for your tropical aquarium become a chore, let Watermarque’s selection of products come to your aid. A vast amount of our tropical water testing products act quickly and effectively, giving you time to act based upon test results. For speedy results, why not try the ESHA aqua-check test kit for instant and reliable results.


Everything you need for a well-maintained aquarium

With so much to choose from, you’ll find everything you need to help take care of your aquarium and stay in control of Nitrate and Nitrite and general hardness, and with our products starting at such low prices, you can always come back to us when you run out!

If you would like more information on our tropical water testing products, or would like some guidance on what to look out for when testing your aquarium’s water, give our friendly team a call on 01278 661900 and they will be happy to advise you further.


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  1. Betta pH Tester Pen
  2. Blagdon Complete Dip Test Kit
  3. Dennerle Aquarico Mini-Lab
  4. eSHA Aqua-Check Test Kit
  5. Hagen Phosphate Test Kit
  6. Kb 6 in 1 Test Strip Kit
  7. Milwaukee Budget pH Tester
  8. Milwaukee Premium pH/Temp Tester
  9. NT Aquarium Ammonia Test
  10. NT Aquarium Broad pH 6 - 9 Test
  11. NT Aquarium Multi-Test Kit
  12. NT Aquarium Narrow pH 6 - 7.6 Test
  13. NT Aquarium Nitrate Test
  14. NT Aquarium Nitrite Test
  15. NT Hardness Test
  16. Royal Nature Alkalinity Test Kit
  17. Royal Nature Magnesium Test Kit
  18. Royal Nature Nitrite Test Kit
  19. Royal Nature pH / KH Test Kit *New*
  20. Tetra Ammonia Test Strips

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