Marine Specific Test Kits

In order for fish to thrive, water must be similar to that which could be found in their natural environment. Poor water quality can cause fish stress, illness and even death. Regular testing of the water is crucial, particular with a new aquarium, in order to keep parameters like Ammonia, Nitrate, and Nitrite in check. High levels of these can cause poor fish health or death, and may be a sign the filtration is not working efficiently. Test Kits generally come in 2 different types; paper dip tests for quick simple checks and liquid test kits for a more accurate result. Marine fish and invertebrates are even more susceptible to changes in parameter levels or toxins so regularly testing is crucial. 

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Showing 28 Products

  1. Hanna Marine Salinity Tester
    Hanna Marine Salinity Tester
    £103.99
    Out of Stock Online
  2. Hanna Marine Calcium Checker
    Hanna Marine Calcium Checker
    £79.99
    Out of Stock Online
  3. Hanna Marine Nitrate Low Range Checker
    Hanna Marine Nitrate Low Range Checker
    £86.49
    Out of Stock Online
  4. Hanna Marine Alkalinity Checker
    Hanna Marine Alkalinity Checker
    £86.49
    Out of Stock Online
  5. Red Sea pH/Alkalinity Marine Test Kit
    Red Sea pH/Alkalinity Marine Test Kit
    £22.99
    Out of Stock Online
  6. Red Sea Phosphate Marine Test Kit
    Red Sea Phosphate Marine Test Kit
    £24.99
    Out of Stock Online
  7. Red Sea Calcium Marine Test Kit
    Red Sea Calcium Marine Test Kit
    £22.99
    Out of Stock Online
  8. Red Sea Nitrate/Nitrite Marine Test Kit
    Red Sea Nitrate/Nitrite Marine Test Kit
    £24.99
    Out of Stock Online
  9. Red Sea Ammonia Marine Test Kit
    Red Sea Ammonia Marine Test Kit
    £22.99
    Out of Stock Online
  10. Red Sea Nitrate Pro Test Kit Refills
    Red Sea Nitrate Pro Test Kit Refills
    £25.99
    Out of Stock Online
  11. Red Sea Phosphate Pro Test Kit Refills
    Red Sea Phosphate Pro Test Kit Refills
    £25.99
    Out of Stock Online
  12. Red Sea Phosphate Pro Test Kit
    Red Sea Phosphate Pro Test Kit
    £41.99
    Out of Stock Online
  13. Red Sea Nitrate Pro Test Kit
    Red Sea Nitrate Pro Test Kit
    £41.99
    Out of Stock Online
  14. Red Sea Algae Control Pro Multi Test Kit
    Red Sea Algae Control Pro Multi Test Kit
    £66.99
    Out of Stock Online
  15. Red Sea Potassium Pro Test Kit
    Red Sea Potassium Pro Test Kit
    £47.99
    Out of Stock Online
  16. Red Sea Iodine Pro Test Kit
    Red Sea Iodine Pro Test Kit
    £38.99
    Out of Stock Online
  17. Red Sea Trace Colors Pro Multi Test Kit
    Red Sea Trace Colors Pro Multi Test Kit
    £69.99
    Out of Stock Online
  18. Red Sea Magnesium Pro Test Kit Refills
    Red Sea Magnesium Pro Test Kit Refills
    £19.99
    Out of Stock Online
  19. Red Sea Calcium Pro Test Kit Refills
    Red Sea Calcium Pro Test Kit Refills
    £19.99
    Out of Stock Online
  20. Red Sea Magnesium Pro Test Kit
    Red Sea Magnesium Pro Test Kit
    £31.99
    Out of Stock Online
  21. Red Sea KH/Alkalinity Pro Test Kit
    Red Sea KH/Alkalinity Pro Test Kit
    £31.99
    Out of Stock Online
  22. Red Sea Calcium Pro Test Kit
    Red Sea Calcium Pro Test Kit
    £31.99
    Out of Stock Online

For delivery before Christmas, orders must be placed on or before 3pm on Wednesday 20th December. We cannot guarantee delivery of these orders pre-Christmas as we are reliant on our couriers, but will use our best endeavours to get orders placed on this date out to you before Christmas. For full details of our festive delivery and opening times click here

Please note: online orders placed after 3pm on Friday 22nd December will not be dispatched until the New Year. For full details of our festive delivery and opening times click here