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Works best if you let just one drop of a liquid thin out on the paper. Really fun to experiment with.
(Posted on 6/23/11)
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Based on everything I can verify, the PH paper is acurate and works great.
(Posted on 12/5/10)
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They are fine you just need to read them quick before the color fades.
(Posted on 10/9/10)
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Great price for product, but got incorrect readings with them. Had to purchase again elsewhere.
(Posted on 7/13/10)
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I thought the packs would have strips about 3-4" long, but they are only 1.5" and very fiddly to handle. Two bottles of them were sent to me in a box large enough to hold several thousands bottles, this seems rather wasteful.
(Posted on 4/21/10)
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fantastically cheap but a little less significant changes in color
(Posted on 12/13/09)
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The first pack of these that we received did not work. They got wet, but did not change color. We contacted ES and they sent us a replacement pack which worked great! Would be nice if they came with some instructions and/or other information, but between the provided color chart and the internet we made do.
(Posted on 10/2/09)
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Don't waste your time getting this product, it doesn't change color, it only gets wet, very disappointing.
(Posted on 10/2/09)
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I bought the litmus paper to make sure that my ph level stays at 7. I also bought them for some friends, explaining to them how bad it is to have an acidic body. Now I test myself regularly. Thanks.
(Posted on 1/2/09)
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I used my saliva it changed colors. Only problem, there are no instructions. Wanted to know which side is high and which is low of acidity.
(Posted on 10/8/08)