PC2121-5M pH Industrial Electrode - 3551_0

PC2121-5M pH Industrial Electrode - 3551_0

Marsoni

M251S

$90.00

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

PC2121-5M pH Industrial Electrode - 3551_0PC2121 5M pH Industrial Electrode 3551_0 This industrial electrode measures the pH of a solution and connects to a pH ORP Adapter. The PC2121 is an economical combination electrode ideal for general industrial processes. It is well suited for testing pool water, sea water or underground water. It can also be used at high temperature in strong acid or base environments. The electrode provides a fast, stable response and is ideal for prolonged pH

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These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.

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Reviewed in the United States on March 17, 2026

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Abby B

Birmingham, US

★★★★★ 5

Surprisingly great for my wide feet and high instep!

Size: 10.5, Color: Velvet Tan/Gum 2

So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!

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Reviewed in the United States on March 7, 2026

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Phoenix, US

★★★★★ 5

Comfortable, sturdy, waterproof

Size: 9.5, Color: Black/Black

Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.

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Reviewed in the United States on May 17, 2026

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Kate

New York, US

★★★★★ 5

Super cute, comfortable, practical, love that they are slip on

Size: 10.5, Color: Tobacco/Black

I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days. Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.

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Reviewed in the United States on January 27, 2026

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Nicholle King

Los Angeles, US

★★★★★ 5

Worth it.

Size: 8.5, Color: Crushed Clay/Gum 2

Love all my Sorels. These were really cute, good color, comfortable, warm, fit well, good quality and sturdy. I would order again.

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Reviewed in the United States on March 26, 2026