









Seachem Matrix Bio Media 250ml
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Tony Montana
> 3 dayMake sure you get a mesh bag for these. Im not sure why it doesnt come with one. I had it clog the water intake for the propeller motor on my canister filter. Some of the rocks are like pebbles and will float around and may cause you issues. I took it out and Im probably not gonna use it. Its not really nessecary.
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Jett willis
> 3 dayBest filter media by far. Get a media bag!
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LWC
> 3 dayI bought this and I dont see much results. I think Im going back to the usual dark charcoal filters.
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Candido Kuhn
> 3 dayI used since longtime looks like doing nothing. waste of time money and space in filter.
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Kay
08-06-2025came in this little bottle very misleading
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Sid
> 3 dayI dont have numbers or proof but I use this as my biological media with sponges. Many people swear by it so that is why I chose it. Natural as well.
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Ashley
> 3 dayI have used this in my 125 gal reef tank for two years in a 5 stage canister filter. I have two 304B canister filters and one of them is just totally full of this and it is working wonders for my tank! One of the best purchases I have made since Ive been in the saltwater/reefing hobby.
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jaimie
> 3 dayI like this media and it fits nicely in my media basket, with some left over. Would be nice if it came with a bag though.
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Héctor
> 3 dayEs tan bueno que espero 4 libras que compre espero me regalen una muestra gratis de algo que manejen
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Antonio Perez
> 3 dayLo mejor que eh comprado para mi filtro. exellente inversion lo recomiendo