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WTS-480002
0-5 ppm, Free chlorine - 50 ct
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Show Ratings & Reviews
Rated 1 out of
5
by
orchid grower from
Not at all accurate!!
I purchased your ph check test strips (part number WTS-480104) about a month ago. I have orchids and wanted to keep our water's ph within acceptable standards for my cattleyas. Your test strips, after running our cold water for a three minute flush and multiple check attempts, revealed a ph of 8.0-8.5! I purchased organic citric acid to correct to 7.0. Fortunately, before I corrected the ph, I took a sample of our water into the dialysis unit where I work. Our $1000 conductivity and ph meter showed a ph of 7.2 - three times! Of course the meter was tested for accuracy against standard solutions. I then checked the ph with your test strips, which once again read 8.0!! Sadly, a less expensive reel paper strip for checking water ph, that a purchased the day before I took the water sample into dialysis, read our water ph at 7.0. I then used your strips to double check the results, and it again read 8.0! Your product is worthless and could have caused damage to my expensive orchids through correcting the water ph to a low acidic level before watering!!
Date published: 2016-09-15
Rated 5 out of
5
by
suzy from
quick and easy
I bought test strips for a science class on citizen water quality monitoring. Easy to find what I wanted, good price, quick delivery.
Date published: 2017-10-16