MRS-34M - Granular Activated Carbon & Mineral Filter

MRS-34M - Granular Activated Carbon & Mineral Filter

Marsoni

M251S

$55.00

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

MRS-34M - Granular Activated Carbon & Mineral FilterCompatible with the Micron RO 301B Reverse Osmosis System, the MRS 34M Granular Activated Carbon and Maifan Stone Mineral Filter is designed to purify and remineralise drinking water. It is especially suitable for use after reverse osmosis systems. The high quality granular activated carbon effectively reduces chlorine, volatile organic compounds (VOCs), and other chemical contaminants, improving water clarity, taste, and overall quality. In addition,

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It tastes better than all the alternatives I’ve tried, but it makes me wonder if it is more sugar and less potency because I didn’t feel a noticeable difference after taking it like I had with some other brands. It also is a much fainter blue than the others I’ve taken…like it is possibly less concentrated(?) Anyhow, I could tolerate the flavor right out of the dropper unlike any others I’ve tried, but I’ll probably try a new brand next time as this wasn’t my favorite.

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Reviewed in the United States on August 14, 2025

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Mercedes Graham

Belleville, US

★★★★★ 5

Great so far

Size: 2 Fl Oz (Pack of 1)

I started using this product about a week ago. I take it first thing in the morning on an empty stomach. So far and in the short amount of time I can tell that I'm having more constant energy that I had in awhile. Still to early to speak about other changes but I'm sure I will see more as the time goes. Definetly worth the buy.

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Reviewed in the United States on July 26, 2025

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Andrew Parra

Bozeman, US

★★★★★ 5

Wow!

Size: 2 Fl Oz (Pack of 1), Size: 2 Fl Oz (Pack of 1)

I only started with a half dose and I can definitely feel the mental clarity. I feel hyper focused. My energy level did not necessarily change yet, but my focus definitely did. As I work my way up to a full dose I’m sure the energy levels will change. I went straight water with it and did not notice any kind of taste. The dropper is marked with dosage so the ease-of-use is great.

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Reviewed in the United States on July 9, 2025

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David novak

Los Angeles, US

★★★★★ 2

Leaky packaging

Size: 2 Fl Oz (Pack of 1)

Bottle leaked everywhere in package, smelled like cleaning solution.

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Reviewed in the United States on December 17, 2025

Verified Purchase

Max Allen

Louisville, US

★★★★★ 5

Gives a nice lift.

Size: 2 Fl Oz (Pack of 1)

Pleasant blueberry taste. As some other reviews have noted, it’s not the strongest Methylene Blue, but it does give me a gentle energylift in about 15 minutes.

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Reviewed in the United States on August 25, 2025