nitrate

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• 

  Nitrate & Nitrite Water Test (50 tests)

  nitrate
  £19.16 excl. tax | £22.99 incl. tax
  When animal and human wastes or soil fertilisers come into contact with water, they show up as nitrates and nitrites. There has been a 20 fold increase of the use of nitrogen fertilisers in the UK in the past 40 years.
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• 

  Water Test Kit (5-in-1) Aquaculture/Well (25 tests)

  nitrate PH Total Hardness
  £15.99 excl. tax | £19.19 incl. tax
  This mini multi-purpose water testing kit tests for 5 different elements: nitrate, nitrite, total hardness, total alkalinity and pH in one test strip.
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