Blue Sea 1839 M2 OLED Tank Monitor - 1839

Blue Sea 1839 M2 OLED Tank Monitor - 1839

Marsoni

M251S

$133.50

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

Blue Sea 1839 M2 OLED Tank Monitor - 1839M2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to control external circuits based on any value measured by the M2. Features: Auto dimming, bright Organic LED display is easy to read 80dB alarm on all models Isolated 500mA MOSFET relay Includes external DC Shunt or

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Seems to work as expected and looks consistent in quality. The only problem I have with it, is the opening being too small for my hand when it is running low. I bought a another brand last time with the same quality and I could reach inside. I comfortably fit men's large size gloves, so my hands aren't huge. Maybe a long handle scoop would help...

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Reviewed in the United States on April 27, 2026

Verified Purchase

George A. Schmid

Boise, US

★★★★★ 5

No taste or texture - it completely dissolves!

Flavor Name: Unflavored, Size: 1.1 Pound (Pack of 1)

Easy way to add fiber to diet. Stir it in coffee or a non-carbonated cold drink. You can't tell it as even added because it completely dissolves.

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Reviewed in the United States on May 25, 2026