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Stoney
> 3 dayWow definitely notice the difference from regular carbon and this. Cheaper on Amazon than my local fish and let stores. Definitely recommend Ive switched to Seachem everything for my mediums and water additives.
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JustAnHonestBuyer
Greater than one weekThis replaced my regular carbon. My regular carbon lasts a month matrix is still in there over a month. Keeping my water orderless and free of a leaky piece of Driftwood.
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Richard C
> 3 dayExcellent performance.
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Cheryll1
> 3 dayAdded this in a mesh bag to my fluval spec 5 gallon tank. I got tired of paying 4$ for 3 of the fluval carbon replacements that I change every 3 weeks, and it works great
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Jeff Thompson
> 3 dayWell 1st I dont run carbon all that often, but over the years I have found that only 2 brands really do a better job at least in my tanks. If you need to remove resudule meds or other impurities Seachem Matrix Carbon is the way to go. Toss it in a aquarium mesh bag put it in your filter.
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Cassie H.
> 3 dayThis stuff is great! Instead of cylindrical bars or chunks of carbon, this is tiny beads of carbon. Rinses clear in seconds with very little dust particles. You dont need much either, half a cup for 50 gallons or so. I used to have to fill a mesh bag to get the same effects as this stuff.
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Marcus G
11-06-2025works better and longer than cheap carbon from the pet store. I use this, along with seachem purigen to keep my tanks crystal clean. nothing but the best for my turtles
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Dr Murdock
> 3 dayBest carbon I have used but its finer grain size makes using it in a flow through media necessary. I put a about 4 ounces in a 180 micron mesh bag and place it in each cannister filter. I change it every 3 weeks and it does fantastic.
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Ken
> 3 dayThis is a great product although this is the first time I am using it. I used to use activated carbon that comes with filter refills. Matrix carbon is much superior in performance and delivers better results. I have a bio filter submersed in the tank ( not a bio filter in the mechanical filter).
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Gil Camacho
> 3 dayExcellent product. Don’t forget to rinse.