Good for measuring the general range of pH, but it leaves bit too much for interpretation between the colour reads when aiming to a certain pH-value. If you want, say pH 4, it could be 5 or it could be 3, not very easy to tell.
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As above. Not returning. Test strips already exposed to climate therefore pretty useless
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For the priced paid it is reasonable . Probably only useful as a general guide in broad unit terms. I / 10 scale without any half measures where the colour chart indicators are concerned.
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My grandchildren loved using the strips to test the Ph of different liquids around the house as part of an experiment. The writing was in Chinese but fortunately they know d we hat the colours mean,
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I didn't want to go to the expense of a soil testing kit so because these strips were a good price I gave them a go. Have used them on soil samples from all around the garden and have had clear easily readable results, just take a couple of teaspoons of soil, put in a clean jar, add some distilled water, give it a good shake, leave for an hour and then check. If you need to check the ph of your soil these strips are excellent value and give clear results.
Verified purchase: Yes | Condition: New
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