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Test Tube pH Pens
Test Tube pH Pens
Test Tube pH Pens
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Test Tube pH Pens

Marsoni M251S
Sale price$63.25
Pay 4 payments of $15.81 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Test Tube pH PensFits standard test tubes 16 x 50 mm or larger. Highly stable and accurate readings with a large LCD display. Designed for simple one hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize some other non standard buffers as well. Features hold function, and auto power off with low battery indicator. General Purpose Glass Probe: EPA compliant for labs and wine Penetration Probe: for food & soil Flat Tip
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Quick Dispatch:

Your Test Tube pH Pens orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1547 reviews
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Product Reviews
M
Verified Purchase
Miranda
Grantham, US
★★★★★ 5
Quality paper plates
Color: 2 Rims, Size: 10" Dinner Plates, Number of Items: 100
Strong with good design and fits in a medium small microwave.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
W
Verified Purchase
William Caliguiri
Charlottesville, US
★★★★★ 5
I wouldn’t buy them again
Color: Brown, Size: 10" Dinner Plates, Number of Items: 100
They were in the perfect size
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
F
Verified Purchase
Frank Griffith
Draper, US
★★★★★ 5
They work as advertised
Color: Brown, Size: 10" Dinner Plates, Number of Items: 100
Very sturdy very clean
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
C
Verified Purchase
CJ
Lowell, US
★★★★★ 5
Paper Plates
Color: Brown, Size: 10" Dinner Plates, Number of Items: 100
I love these compostable plate. They’re not flimsy like some
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
B
Verified Purchase
beryle price
San Leandro, US
★★★★★ 5
sturdy
Color: Brown, Size: 10" Dinner Plates, Number of Items: 100
Great Quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026

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