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Litmus pH Test Strips, Universal Application (pH 1-14), 2 Packs of 100 Strips

4.6 out of 5 stars 758 customer reviews
| 19 answered questions

Price: $5.50 ($2.75 / Item) & FREE Shipping on orders over $49. Details
In Stock.
Want it tomorrow, March 10? Order within and choose One-Day Shipping at checkout. Details
Sold by LabRat Supplies and Fulfilled by Amazon. Gift-wrap available.

Specifications for this item
Brand Name LabRat Supplies
Part Number LRS-4812
Number of Items 2
EAN 0013189987970
UNSPSC Code 41113034
UPC 013189987970

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Product Features

  • Sold as Two Packs of 100 pH Strips, 200 Strips Total
  • pH 1.0-14.0 Full Range Test Strips
  • pH Color Chart Intervals: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  • Size of One pH Test Strip: 45mm x 7mm (L x W) or 1.8" x 0.3" (L x W)
  • For bulk discounts search "LRS-4812x5" for 5 packs of 100 [$9.95], "LRS-4812x10" for 10 packs of 100 [$19.95], or "LRS-4812x20" for 20 packs of 100 [$34.95]

Product Details

  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • ASIN: B00S730YWG
  • Item model number: LRS-4812
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (758 customer reviews)
  • Amazon Best Sellers Rank: #13 in Industrial & Scientific (See Top 100 in Industrial & Scientific)

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Frequently Bought Together

  • Litmus pH Test Strips, Universal Application (pH 1-14), 2 Packs of 100 Strips
  • +
  • Alkaline Food Chart 8 inch x 8 inch
Total price: $8.45
Buy the selected items together


Important Information

Legal Disclaimer
Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Great price, delivered quickly and work. convienient "matchbook-like" packaging.

I came back to amend this review because the pH test strips are not accurate. Tested against a calibrated meter and other brands of test strips they consistently read 2 points lower than actual, so an actual 9 pH water sample reads 7 on these test strips.This was true for both packs I received. It was not just me, I asked others, without prompting, to tell me what reading they perceived on the strip compared to the included chart and they agreed with my matching of the colors.
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Verified Purchase
They look as described but my dogs urine was reading "6". I took my dog to the vet and her urine was 7.5. She had to be put on medicine to lower her ph. Pretty big difference...Can be the difference of simple urinary crystals or stones requiring surgery.
2 Comments 19 of 19 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Simple but effective - these seem to work well and remain consistent although I've not gone through the entire batch. Simple but effective pH strips. One thing that I'm not 100% sure about is the packing - rather than a vial, these are packaged in a cardboard case cover - it works well but users should take the precaution of storing a dry area to avoid excess humidity, no sunlight, no heat etc...otherwise, an inexpensive but seemingly effective pH strip. Discount promotion code resulted in my obtaining this for free.
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Verified Purchase
BLEEDS TO MUCH AND AND DOES NOT BY A LONG SHOT GIVE THE RIGHT PH MEASUREMENT.
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By LY on May 29, 2015
Verified Purchase
Tap, alkaline and water double filtered through the fridge all registered the same, between 7-8. See photo.
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Verified Purchase
they came super fast three days. they came in a reclosable ziplock baggie (would have liked two) but can't complain
best buy for the price on amazon I didn't think they were that accurate untill I tried cleanser on one and it turned black, really cool
laundry detergent was light green, most other things including my saliva were very close to the color of the paper or just a little different
there are more accurate ways to test things but for the price this was ok
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Verified Purchase
Not practical. It is not easy to grab individual strips from the bunch put in a book format. Almost always more than one strip is grabbed or discarded on the floor unintentionally.
pH color scale is inside the booklet. You have to keep the booklet open when checking pH and the entire bunch of strips is exposed to accidental spilling.
Poor paper sensibility.
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Verified Purchase
It seems to test water and things near the middle of the scale accurately, however, it measured distilled white vinegar and apple cider vinegar at the same level of 1! Distilled white vinegar should be 2-3, and Apple Cider Vinegar should be 4-5. No good when the liquids I'm measuring need to be 2.5-3.5.
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