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Pond Test Kits

Using a Pond Test Kit will prevent fish deaths.

Monitoring the quality of your pond water with a pond test kit is an essential part of pond fish keeping. Failure to do so could result in fish deaths that could be prevented by the use of a simple pond water test kit.

The four main chemicals to check for are Ammonia, Nitrite, PH and Oxygen. You can obtain testing kits for these elements either individually or in packages that contain most of the vital tests. They are also available as either liquids or litmus paper type like tests. The litmus paper type tests have the advantage of simplicity where several different tests can be carried out in one dip whilst the liquid tests are usually more economical.

Why Test for Ammonia

Ammonia NO3 & Ammonium NO4+ (Ammonium NO4+ is relatively harmless but changes at high PH) is the most lethal of the chemicals you will need to test for and it is important to keep it at a reading of virtually zero. Ammonia is excreted by fish and also expelled as they breath. It is also produced by decay when dead plants, animals or fish are left in the pond or when food remains un-eaten, so it is important to remove these.

Why Test for Nitrite

Nitrite NO2 is another dangerous chemical being the second stage in the nitrogen cycle. Both Nitrite and Ammonia are most likely to show up in the first few weeks of setting up a new pond, before beneficial bacteria have had a chance to colonise your ponds filter (please see Nitrogen cycle for an explanation).

Why Test for PH

PH is the measure of the pond waters acidity or alkalinity and there are two reasons why it should be tested. As the PH of your pond water increases Ammonia levels becomes much more toxic changing from Ammonium to Ammonia. Secondly fish will gradually acclimatise to the naturally changing PH levels in your pond. Without regular partial water changes decaying plants and the effects of the fishes respiration will slowly lower the ponds PH making it more acidic. This slow change will have little effect on your fish in your pond as it is very gradual and happens over a long period of time. However if you introduce new fish the PH could differ wildly from their previous home and the change could be enough to shock causing them to become ill and die, often weeks after moving them.

The Nitrogen Cycle in brief

This is the natural conversion of toxic Ammonia into non harmful Nitrate by de-nitrifying bacteria. It takes several weeks for these bacteria to build up to levels where they can break down the toxins quickly enough to neutralise the filtered water. It is for this reason that you not put to many fish in a pond in the early days and that feeding must be kept minimal. Fish are not like cats and dogs and will not suffer unduly by not being fed for a week or two but overfeed them especially in the early days of your pond and you could end up poisoning them.

  • API Pond Liquid Water Master Test Kit Image

    API Pond Liquid Water Master Test Kit

    API Pondcare Pond Master Test Kit - pH, NO2, Ammonia & PO4 Water conditions in the pond need to be the same or very similar to those found in nature in order for fish to thrive and remain healthy, which is why it is vital to test pond water...

    £32.99 £23.95
    Out of stock
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    Colombo Test Lab Multi Test Kit

    Colombo TestLab Professional - Multi Test Kit Suitable for Fresh Water, Marine or Pond Water Colombo TestLab - Multi Test Kit Tests For Ammonia (NH3), pH (acidity), KH (carbonate hardness), GH (general hardness), NO2 (nitrtite), NO3 (nitrate) and PO4...

    £47.50 £27.99
    Add to Cart
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    Interpet Blagdon Pond Master Test Refill

    Interpet/Blagdon Pond Master Test Kit Refills Water tests form a vital part of any pond keepers maintenance as poor water quality can quickly lead to poor fish health and even death. Routine water tests should be carried out weekly or at least monthly to...

    £2.95
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  • TAP Nitrite Tablet Test Kit Image

    TAP Nitrite Tablet Test Kit

    A very accurate kit that allows easy monitoring of both Marine and Freshwater Nitrite levels. A Nitrite reading may represent overfeeding, overcrowding, filtration problems or the presence of decaying organic matter. The most accurate Nitrite kit on the...

    £5.99
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  • Tetra Pond Kit Nitrite Image Tetra Pond Kit Nitrite Image

    Tetra Pond Kit Nitrite

    Tetra Pond Nitrite Test Kit Suitable for Ponds & Coldwater aquariums Simple to use kit for determining Nitrite levels Nitrite (NO 2 - ) is produced from the breakdown of ammonia in the filter. Nitrite is highly toxic to fish, but is usually removed...

    £8.34 £7.45
    Out of stock
  • Tetra Pond Test 6 in 1 Quick Test Image

    Tetra Pond Test 6 in 1 Quick Test

    Tetra Pond 6 In 1 Quick Test Kit - pH, N02, NO3, KH, GH, CL225 Test Strips Ideally Suitable for Pond Water TestingDip test for instantly checking water quality..Good water quality is the key to healthy fish and a trouble-free pond. Traditional methods of...

    £12.49 £9.75
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