Bluelab OnePen | 3-in-1 Messgerät für PH-Wert, EC und Temperatur

Bluelab OnePen | 3-in-1 Messgerät für PH-Wert, EC und Temperatur

Marsoni

M251S

$119.97

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

Bluelab OnePen | 3-in-1 Messgerät für PH-Wert, EC und TemperaturDer Bluelab OnePen ist ein modernes 3 in 1 Messgert fr pH Wert, Leitfhigkeit (EC PPM) und Temperatur und bietet Growern eine przise Kontrolle ber ihre Nhrstofflsung. Durch die zuverlssige Messung dieser wichtigen Parameter lsst sich die Nhrstoffaufnahme der Pflanzen optimal steuern, was zu gesnderem Wachstum und besseren Ergebnissen fhrt. Dank der integrierten Bluetooth Verbindung kann der OnePen direkt mit der Edenic App auf deinem Smartphone

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I ordered this on Oct 6th. When I first got it, it worked great. I didn't need to use it all that often but here it is, 3 months later, and it is broken. It fails to cut open any cans. Tried on multiple cans over multiple times but it just spins cutting nothing. Total waste of money. Avoid this product if you care about durability or longevity of your purchases.

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Reviewed in the United States on January 23, 2026

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Cheyrl College

Whiting, US

★★★★★ 5

No sharp edges

Color: Green/Battery

Bigger than what I thought but not to much that I don’t like it! Beautiful color and works great just put it on hit the button and there ya go and no sharp edges which is great when you have busy toddlers who grab things

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Reviewed in the United States on May 19, 2026

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Amy Swindler

Dallas, US

★★★★★ 5

Works well but doesn't stop on it's own

Color: Green/Battery

The price was decent and I like the color. It is easy to get started and it came with batteries which was unexpected and nice! Like others have said, it doesn't stop on it's own like it's supposed to, which is my only drawback with it. I had thought that if I pushed the button on the top it might stop it, but all that does is reverse the direction of the opener. 4 stars because it does work, but having to fool around with it to make it stop makes it lose a star for me.

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Reviewed in the United States on September 17, 2025

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Marisela Alaniz

Belleville, US

★★★★★ 4

Not bad at all

Color: Green/Battery

Super EASY for my 83 old mother with arthritis to use. It’s not “speedy” but it works great.

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Reviewed in the United States on January 12, 2026

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