Colombo GH Test is designed to accurately measure GH – total hardness in ponds. A professional drop test provides precise results, thanks to a clear colour change at different values. The easy-to-follow visualised instructions and special test tubes make testing simple. Each kit contains enough supplies for 40 tests on average.
Colombo GH Test
Original price was: £8.10.£6.48Current price is: £6.48.
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