Water Test Kits
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Colombo 5 in 1 strip test kit
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colombo quick test
5 tests in around 1 minute. Easy to use. pH, kh, gh, nitrite and nitrate. Simply dip the test strip and read off results. Contains 35 tests ( = 1 test per week for over 8 months.)

Colombo ph test kit
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colombo ph kit
A simple to use ph test kit, use range =4-10, simply add 5 drops of fluid to 10 ml of pond water, shake and test gives instant result. Excellent value for money, should do around 30 tests.

Nt labs Pondlab 200 multi test kit
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pond-lab-200

Provides 200 tests for your pond, covering pH, Gh, Kh, Nitrite, Nitrate and Ammonia.

full instructions, integral test tube rack for ease of use, shows optimal levels and how to correct problems,