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Test Kits

Using Test Kits to test aquarium water is a key component of maintaining a healthy environment for fish and corals.

Showing 1–6 of 8 results

  • Sale! Marine Lab Nitrate Test

    Marine Lab – Nitrate Test

    £8.99 Including VAT

    Nitrate is the waste product of naturally occurring bacteria (Nitrospira spp.) turning nitrite into relatively non-toxic nitrate. In a typical aquarium, nitrate is the final stage of nitrification and usually accumulates with time.

  • Sale! nt labs marine lab reef multi test kitNTLabsMarineLabReefMultiTestKit x

    Marine Lab – Reef Multi-Test

    £28.99 Including VAT

    Marine Lab – Reef Multi-Test Reef Multi-Test comprises everything you need to carry out up to 145 tests (combined) of the 4 key water parameters to maintain a healthy and thriving reef aquarium: KH, magnesium, calcium & phosphate. The tests are a mixture of liquid droplets and titration tests for improved accuracy and come with…

  • Red Sea Nitrate Pro Test Kit

    Red Sea Nitrate Pro Test Kit

    £31.95 Including VAT

    Red Sea Nitrate ProTest Kit.


    Element : N-NO3
    Accuracy : 0.06 ppm
    Range : 0.06 – 15 ppm
    Test Type : Comparator
    No of Test : 100

    All Pro Test Kits come in a durable plastic housing and use optically clear, analytical lab grade glass test vials.

    Used for testing of Nitrate in the aquarium.

    Can also be used as part of Stage 2 – Algae Nutrient Control in the Red Sea Reef Care Program. The Algae Nutrient Control Stage provides a complete solution for testing and controlling nuisance algae and promote coral colouration. Also, test for Phosphate with the Red Sea Phosphate Pro Test Kit. To control these NO3 and PO4 levels use the N: P-X treatment.

    This product is part of the new Red Sea unique Reef Care Program, look out for other products from this range by choosing Red Sea. The Red Sea reef care program is the result of over 5 years of research from Red Sea scientists resulting in an unparalleled understanding of the requirements of coral aquariums. The Red Sea Reef Care Program provides a holistic solution to maintaining a flourishing coral reef aquarium. It even allows beginners to achieve stunning SPS aquariums.

  • Salifert Ammonia Test Kit

    Salifert Ammonia Test Kit

    £7.49 Including VAT

    Salifert Ammonia Test Kit 50 Test


    Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.

    If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as they should.

    Ammonia is toxic and lethal to aquarium fishes.


    The Salifert Ammonia test is very straightforward and measures the sum of toxic ammonia and ammonium in just a few minutes.

    The kit can perform approx. 50 measurements and can detect 0.5 ppm of total ammonia easily.

  • Salifert Nitrite Test Kit

    Salifert Nitrite Test Kit

    £7.99 Including VAT

    Salifert Nitrite Test Kit 60 Tests


    Nitrite testing

    Nitrite is a substance that is toxic to fish and invertebrates.

    It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) that nitrite has vanished.

    Many nitrite test kits suffer from interference by amines (such as naturally occurring and essential amino acids) resulting in a too low measured value especially if the nitrite concentration is relatively low.

    Nitrite is converted to nitrate in properly cycled aquariums. The thus formed nitrate is transformed into harmless nitrogen gas (=denitrification). This happens in areas deprived of oxygen within the live rock and miscellaneous filter materials.

    Before it can be transformed to nitrogen gas the nitrate is first converted back to nitrite. When for whatever reason this particular cycle can not be completed, toxic nitrite can be present in significant concentration and readily be detected by test kits that do not suffer from amine interference.



    Many nitrite test kits have the potency to suffer from amine interference resulting in toxic nitrite not being detected.

    Salifert’s Nitrite test kit does not suffer from such an amine interference because very special ingredients are used.

    These same ingredients also result in a full-colour development within minutes. The developed colour is very intense making detection of even minute traces of nitrite easy. It probably is the most sensitive, accurate and fastest nitrite test kit available.

  • Salifert pH Profi Test Kit

    Salifert pH Profi-Test Kit

    £6.99 Including VAT

    The pH value in a marine tank has a major impact on the growth of corals and calcareous algae and on many biological processes. The pH should not be allowed to fluctuate more than approx. 0.2 units during any 24 hour period and should preferably be kept above 8.2. • If the pH is too low then the cause may be too low alkalinity and/or a build-up of carbon dioxide caused by insufficient aeration • A low pH can be corrected by improving aeration and by increasing the alkalinity using the Salifert KH + pH Buffer 250ml. • The Salifert Test Kit is sufficiently accurate to monitor minor pH fluctuations and is scaled from pH 7.4 – 8.7. • Sufficient for 50 tests – For marine water only!