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Water Testing

Water Testing

Regularly testing and recording your Koi ponds water parameters is essential to keeping your Koi and Ponds healthy.

Elite Koi stock and sell the full range of Colombo Water tests that are key in keeping your Koi & Ponds healthy.

If your fish are suffering health issues and you need to seek help, you will be asked for the readings of all these Water parameters before any advice can be properly given. 

Colombo Water test kits are really simple to use and come with all necessary parts and instructions for use.

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  • Colombo TEST LAB professional

    £49.95

    Testing your pond water parameters is essential to keeping a healthy Pond & healthy Koi. When our team at Elite Koi is asked " why are my Koi s...

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    £49.95
  • General Hardness - GH Test Colombo

    Colombo GH (Total Hardness) Water Test Kit

    £7.64

    GH test Colombo Used to check and read the Total Hardness of your water.  Colombo liquid tests Liquid tests for accurate measurement of pH aci...

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    £7.64
  • Colombo KH Test Kit

    Colombo Kh (Carbonate Hardness) Water Test Kit

    £7.95

    One of the major water parameter test all Koi keepers should check regularly to prevent Ph crash leading to a filter crash. Testing Kh levels in a ...

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    £7.95
  • Ammonia NH3 Water parameter testing kit
    Save £2.04

    Colombo NH3 (Ammonia) Water Test Kit

    Original price £11.99
    Current price £9.95

    Quickly and easily monitor ammonia levels in your koi pond with Colombo's NH3 Ammonia Test Kit. This liquid reagent test allows accurate testing of...

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    Original price £11.99
    Current price £9.95
    Save £2.04
  • Nitrite test kit for Koi Ponds - measuring pond parameters accurately

    Colombo NO2 (Nitrite) Water Test Kit

    £7.95

    NO2 (Nitrite) test Colombo Used to measure NO2, Nitrite levels in your Koi pond. This test is crucial in affirming the Nitrogen cycle has and is co...

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    £7.95
  • Nitrate test kit for Koi Ponds - measuring pond parameters accurately

    Colombo NO3 (Nitrate) Water Test Kit

    £11.99

    NO3 (Nitrate) test kit - Colombo Used to measure NO3, Nitrate levels in your Koi pond. Nitrate is the final stage of the nitrogen cycle. The Nitrog...

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    £11.99
  • PH test Kit - Colombo

    Colombo PH (Acidity)Water Test

    £7.64

    PH test Colombo Use for an accurate measurement of pH (acidity) in your pond. pH levels need to be stable in any pond containing Fish, particularly...

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    £7.64
  • Phosphate water testing Kit - Pond water parameter test

    Colombo PO4 (Phosphate)Water Test Kit

    £11.99

    PO4 (Phosphate) Water Test Kit - Colombo One of the major water parameter tests needed to keep your Koi Healthy and well and blanketweed away. Used...

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    £11.99
  • Colombo 6 In One Test Strips

    Colombo 6 In One Test Strips

    £13.99

    The Colombo Quick Test 6 In 1 Test Strips provide a quick and simple way to check the 6 main water parameters in just over 1 minute. Suitable for ...

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    £13.99
  • Sold out

    Kusuri KH Hardness Test Kit

    £19.95

    Kusuri KH Hardness The kit has been developed for the reliable and accurate water testing of all types of freshwater ponds. 30 tests

    £19.95
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  • Sold out

    HANNA Nitrite High Range Handheld Colorimeter

    £69.60

    The HI-708 Checker is a simple, accurate, and cost effective way to measure high ranges of nitrite Designed as a more accurate altern...

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    £69.60
    Sold out
  • HANNA Copper Low Range Handheld Colorimeter

    HANNA Copper Low Range Handheld Colorimeter

    £78.00

    The HI-747 Copper low range Checker is a simple, accurate and cost effective way to measure low ranges of copper in water. Designed as a mo...

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    £78.00
  • HANNA Ammonia low Range Handheld Colorimeter
    Sold out

    HANNA Ammonia low Range Handheld Colorimeter

    £79.95

    The HI-700 Ammonia Low Range Checker is a simple, accurate and cost effective way to measure low ranges of ammonia in fresh water. Des...

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    £79.95
    Sold out
  • Sold out

    HANNA Alkalinity For Fresh Water Handheld Colorimeter

    £79.95

    Designed as a more accurate alternative to chemical test kits, it is easy to use with single button operation and a large LCD display. Th...

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    £79.95
    Sold out
  • HANNA Free Chlorine Handheld Colorimeter
    Sold out

    HANNA Free Chlorine Handheld Colorimeter

    £79.95

    Chlorine is the most common water disinfectant and by monitoring chlorine regularly and accurately, serious health and safety risks ca...

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    £79.95
    Sold out
  • HANNA Ammonia High Range Handheld Colorimeter

    HANNA Ammonia High Range Handheld Colorimeter

    £79.95

    The HI-733 Checker is a simple, accurate, and cost effective way to measure high ranges of ammonia in fresh water. Designed as a more accura...

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    £79.95
  • HANNA Total Chlorine Handheld Colorimeter
    Sold out

    HANNA Total Chlorine Handheld Colorimeter

    Original price £79.95
    Current price £74.95

    Chlorine is the most common water disinfectant. Once in water, it presents as free chlorine and total chlorine. Free chlorine is the chlori...

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    Original price £79.95
    Current price £74.95
    Sold out
  • HANNA Ammonia Medium Range Handheld Colorimeter
    Sold out

    HANNA Ammonia Medium Range Handheld Colorimeter

    £79.95

    The HI-715 Checker is a simple, accurate, and cost effective way to measure medium ranges of ammonia in fresh water. Designed as a more accu...

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    £79.95
    Sold out
  • HANNA Nitrite Low Range Handheld Colorimeter
    Sold out

    HANNA Nitrite Low Range Handheld Colorimeter

    £69.60

    The HI-707 Nitrite Low Range Checker is a simple, accurate and a cost effective way to measure low ranges of nitrite. Designed as a more ac...

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    £69.60
    Sold out
  • HANNA Phosphate Low Range Handheld Colorimeter

    HANNA Phosphate Low Range Handheld Colorimeter

    £79.95

    Ideal for: Ponds Aquaculture Natural, waste, agricultural and drinking waters Orthophosphates are found in natural waters and waste...

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    £79.95
  • Sold out

    Ammonia Low Range - HANNA HI-700-25 Reagent

    £23.88

    The HI-700-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Ammonia Chec...

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    £23.88
    Sold out
  • Sold out

    Free Chlorine - HANNA Hi-701-25 Reagent

    £19.95

    These reagents follow the DPD Method in which the reaction between chlorine and reagent causes a pink tint in the sample. By simply adding the pack...

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    £19.95
    Sold out
  • Nitrite Low Range - HANNA HI-707-25 Reagent

    £29.95

    This reagent is for use with the HI-707 nitrite low range pocket checker and provides enough for 25 tests. The HI-707-25 are high-quality reagents ...

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    £29.95
  • Nitrite High Range - HANNA HI-708-25 Reagent

    £24.48

    These reagents follow the DPD Method in which the reaction between chlorine and reagent causes a pink tint in the sample. By simply adding the pack...

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    £24.48
  • Sold out

    Total Chlorine - HANNA Hi-711-25 Reagent

    £18.95

    Reagents for HI-711 Total Chlorine Pocket Checker The HI-711-25 are high-quality reagents that are pre-measured, allowing for users to achie...

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    £18.95
    Sold out
  • HANNA HI-733-25 Reagent

    £37.92

    The HI-733-25 is a high-quality, pre-measured reagent allowing users to achieve fast and accurate measurements with their Ammonia High Range Checke...

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    £37.92
  • Alkalinity - HANNA Hi-775-26 Reagent

    £30.54

    These reagents follow the DPD Method in which the reaction between chlorine and reagent causes a pink tint in the sample. By simply adding the pack...

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    £30.54
  • HANNA HI731321 Glass Cuvette

    from £6.38

    Replacement Glass Cuvette For HI8332XX Series   The HI-731321 glass cuvettes are suitable for use with the HI-7** Checkers and the HI-83200 & H...

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    from £6.38
  • Sold out

    HANNA Salinity Tester

    £87.36

    HANNA Salinity Tester   Ideal for testing salinity in salt water aquariums, it is quick and easy to use and provides digital readout of both salin...

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    £87.36
    Sold out
  • HANNA Pocket EC/TDS And PH Tester

    £226.68

     POCKET EC/TDS AND PH TESTER, LOW RANGE   The HI-98129 is a waterproof tester that offers high accuracy pH, conductivity, total dissolved solids ...

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    £226.68
  • Novex Led Junior 81.5000
    Save £18.05

    Novex Led Junior Microscope (81.5000)

    Original price £150.00
    Current price £131.95

    Head Monocular rotatable tube 130mm Eyepiece With locked in WF 10x eyepiece with fixed pointer Revolver Triple revolving nosepiece locked in achrom...

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    Original price £150.00
    Current price £131.95
    Save £18.05
  • Novex Euromex BIO Blue MONO (BB4220)
    Save £0.48

    Novex Euromex BIO Blue MONO Microscope (BB4220)

    Original price £396.43
    Current price £395.95

    SMP 4/10/S40x objectives with mechanical stage and 1W LED cordless illumination 302,00. Secured DIN WF 10x/18 mm eyepiece with pointer. Monocular h...

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    Original price £396.43
    Current price £395.95
    Save £0.48
  • Save £2.58

    Ultra Bio 2 40-1000x Monocular Compound Microscope

    Original price £291.58
    Current price £289.00

      Ultra Bio 2 40-1000x Monocular Compound Microscope    The Ultra Bio 2 40-1000x Monocular Compound Microscope is equipped with a set of high contr...

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    Original price £291.58
    Current price £289.00
    Save £2.58
  • Novex BIO Blue BINO (BB 4260)
    Save £30.05

    Novex BIO Blue BINO Microscope (BB 4260)

    Original price £570.00
    Current price £539.95

    Secured wide field eyepieces WF 10x/18 mm with fixed pointer. Binocular 45° inclined tube, 360° rotation. Tube length 160 mm. Nosepiece for 4 objec...

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    Original price £570.00
    Current price £539.95
    Save £30.05
  • The best microscope for identifying Parasites on your Koi
    Save £24.05

    GX Microscopes UltraBIO-3 series (Trinocular)

    Original price £474.00
    Current price £449.95

    Ultrabio 3 compound microscope Trinolular allows a camera to be placed in the microscope whilst still allowing the user to look through both eyepie...

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    Original price £474.00
    Current price £449.95
    Save £24.05
  • Ideal for Koi Scrapes - GX Microscopes UltraBIO-3 series (Binocular) For Sale

    GX Microscopes UltraBIO-3 series (Binocular)

    £319.95

    Ultrabio 3 compound microscope  The GX Microscopes UltraBIO-3 series are GX Microscopes’ best value for money binocular biological microscopes and ...

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    £319.95
  • Cover Slides x 100 Pcs

    £4.95

    Cover slides to be used in conjunction with glass slides to view objects under a microscope.  

    £4.95
  • HANNA Check Temp

    HANNA Checktemp Digital Thermometer

    £54.48

     HANNA Checktemp Digital Thermometer Large Display – The large display features a wide temperature range and optimal viewing angle IP65 water resi...

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    £54.48
  • Hanna checktemp dip

    HANNA Checktemp Dip Pocket Thermometer

    £108.84

    HI-98539 Checktemp Dip® is a high-accuracy thermometer connected to a weighted, stainless steel probe by a 3m flexible, silicone cable...

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    £108.84
  •  HI-715-25 REAGENTS FOR HI-715 AMMONIA MEDIUM RANGE CHECKER

    HI-715-25 REAGENTS FOR HI-715 AMMONIA MEDIUM RANGE CHECKER

    £30.58

    These reagents follow the DPD Method in which the reaction between chlorine and reagent causes a pink tint in the sample. By simply adding the pack...

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    £30.58
  • HI-747-25REAGENTSFORHI-747COPPERLOWRANGECHECKERHC

    HI-747-25 REAGENTS FOR HI-747 COPPER LOW RANGE CHECKER

    £14.82

    These reagents follow the DPD Method in which the reaction between chlorine and reagent causes a pink tint in the sample. By simply adding the pack...

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    £14.82
  • HI-702-25 REAGENTS FOR THE HI-702 COPPER HIGH RANGE CHECKER

    HI-702-25 REAGENTS FOR THE HI-702 COPPER HIGH RANGE CHECKER

    £16.20

    These reagents follow the DPD Method in which the reaction between chlorine and reagent causes a pink tint in the sample. By simply adding the pack...

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    £16.20