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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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  • 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
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  • 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
  • Sold out

    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
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  • 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)

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

    Novex Euromex BIO Blue MONO Microscope (BB4220)

    £396.43
    £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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    £396.43
    £395.95
    Save £0.48
  • Save £2.58

    Ultra Bio 2 40-1000x Monocular Compound Microscope

    £291.58
    £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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    £291.58
    £289.00
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  • Novex BIO Blue BINO (BB 4260)
    Save £30.05

    Novex BIO Blue BINO Microscope (BB 4260)

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

    GX Microscopes UltraBIO-3 series (Trinocular)

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

    GX Microscopes UltraBIO-3 series (Binocular)

    £329.95

    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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    £329.95

  • Microscope 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
    Sold out

    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
    Sold out
  • 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