Waterproof Dissolved Oxygen Meter Pen

Marsoni

M251S

$177.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Waterproof Dissolved Oxygen Meter PenMeasures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal wastewater, aquariums and fish hatcheries. Designed for simple one hand operation with automatic temperature compensation and calibration to air. The polarographic probe has a built in temperature sensor and easy to replace pop off probe heads. Simultaneously displays dissolved oxygen and temperature readings. Also holds readings and recalls

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Ayouba Biltong is soft and full of flavor without excess sugar, preservatives, and spices. Good quality: if you can get it on sale or with an Amazon subscription even better. Sometimes settling occurs and more small “shreds” of it than I’d like, but overall a great, good-tasting product. Per ounce? Hey no Biltong is “cheap”. This isn’t Jack’s Links, etc.

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Reviewed in the United States on July 6, 2024

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Linna

Belleville, US

★★★★★ 3

Sour moist meat

Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)

I had a hankering for jerky and found biltong instead. I didn’t know what made it different, but I was willing to try. I was very surprised how moist it was!! It’s better than the jerky here. If I wanted to gnaw on leather then I’d get my belt instead of paying money for dried meat. I liked that it didn’t have sugar. However , the flavor was confusing. It was mostly sour, like too much vinegar. Other reviewers mentioned that too and I must agree. I’m not sure how it’s suppose to taste but this experience makes me hesitate buying any more.

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Reviewed in the United States on October 22, 2020

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Charles W. Ambrose

Massapequa, US

★★★★★ 5

Great taste

Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)

Great taste, the right size

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Reviewed in the United States on March 25, 2026

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Joseph Ernest

Whiting, US

★★★★★ 1

Rancid, Nasty, biltong shavings

Flavor Name: Traditional, Size: 4 Ounce (Pack of 1), Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)

This Ayoba Biltong has an OK flavour, but the black pepper is excessive. About 20% of the shavings are rancid, which means that every 5 shaving pinch you put in your mouth is practically guaranteed to have a rancid flake. The rancid flakes are bitter. acrid and foul, and this nastiness completely overpowers the biltong flavour, even the excess black pepper taste. I believe the rancidness comes from the white bits of fat attached to the meat, but who wants to sort and clean these biltong bits? DO NOT BUY!!!! FYI - I grew up in Swaziland and Botswana, and ate pounds and pounds of biltong. I even made Biltong while deep in the Okavango Delta.

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Reviewed in the United States on February 1, 2026

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J. Johnson

Waukegan, US

★★★★★ 5

Flavorful

Flavor Name: Traditional, Size: 2 Ounce (Pack of 3)

Best jerky ever I love everything about it! Jeff Johnson

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Reviewed in the United States on April 3, 2026