HM Digital pH/TDS/EC/Temp Meter Model COM-300

HM Digital pH/TDS/EC/Temp Meter Model COM-300

Marsoni

M251S

$163.15

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

HM Digital pH/TDS/EC/Temp Meter Model COM-300The COM 300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature. Features include 2 different conductivity conversion factors to convert EC to TDS using the 0. 5 (NaCl) or 0. 7 (442TM), as well as selectable modes for measurements in the S, mS and ppm scales. The meter incorporates automatic temperature compensation (ATC) to

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I needed a little shelf to put a plant in a corner and these were perfect. Super easy to install and worked fine even though it turns out my corners aren't perfectly square. Everything you need to hang the shelf is included. Once on the wall it is sturdy and doesn't wiggle. Perfect size for what I needed. The variation in the color makes it seem like higher end wood.

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Reviewed in the United States on December 21, 2025

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Richard W Jenkins

Birmingham, US

★★★★★ 5

STURDY AND ATTRACTIVE

Color: Brown, Size: 10.5" x 10.5", Set of 2

EXCELLENT PRODUCT

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Reviewed in the United States on May 14, 2026

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Vickie

Louisville, US

★★★★★ 5

Great shelves

Color: Grey, Size: 10.5" x 10.5", Set of 4, Color: Grey, Size: 10.5" x 10.5", Set of 4

Easy to install

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Reviewed in the United States on April 22, 2026

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Gerald N.

Lexington, US

★★★★★ 5

Inexpensive; Look great and function well;

Color: Brown, Size: 10.5" x 10.5", Set of 4

Installed in the corner of my new newly decorated garage. Great for storing and quick access to small items.

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Reviewed in the United States on May 29, 2026

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SASY-JO

Cuba, US

★★★★★ 5

Worth it.

Color: Brown, Size: Large, Color: Brown, Size: Large

These shelves are great. They felt light in my hands but I can assure you they do hold their weight. As you can see I have lots of crystals on mine. They are easy to assemble and look nice. I recommend them.

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Reviewed in the United States on May 30, 2026