Test Tube pH Pens

Marsoni

M251S

$63.25

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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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.
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This lotion will change your life. It smells SO good and leaves your skin incredibly soft. Super hydrating. It is great for after tanning. It will rehydrate your skin after that. I don’t know if it really locks in the color, or if that is just a high quality tan bed that I use. Either way- It’s a gem!

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Reviewed in the United States on October 26, 2025

Verified Purchase

Lisa M Race

Whiting, US

★★★★★ 5

Smells great

Love love love this lotion!! Smells great!!

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Reviewed in the United States on April 27, 2026

Verified Purchase

Ranell Kilgore