Seachem Matrix Bio Media 250ml

(642 Reviews)

Price
$5.24

Quantity
(10000 available )

Total Price
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108 Ratings
75
16
10
0
7
Reviews
  • Peter R.

    > 3 day

    Seems to be working. Will know best with next test.

  • Gadberry

    > 3 day

    Ive tried them all. Nothing compares. This is not your every day pumice. Well worth the price.

  • Juan C.

    > 3 day

    El mejor material filtrante para acuarios, el artículo vino en la fecha estipulada.

  • Alan Key Martinez Barragan

    05-06-2025

    I had ceramic beads before but these things seem to work faster than the beads. Test results changed in just 1 week on my aquarium.

  • Jamie Curcio

    Greater than one week

    Best filtration media you can use IMO (and the research seems to back this statement up). Particularly if you have a canister filter (because of the anaerobic possibilities), although it works fine with a HOB filter so long as it has space to fit enough of this rather large media.

  • John Ulinski

    > 3 day

    Great product

  • T Chuck

    > 3 day

    good

  • Mario

    Greater than one week

    Best media for planted tanks

  • Stephen R Stice(wrong size item)

    > 3 day

    Bottle is extremely small. I thought I was getting a normal at least 16 oz bottle. This product isn’t worth the time or value to even order. Won’t do this again. Fool me once “shame on you.” Fool me twice “SHAME ON ME”

  • Ethan Long

    Greater than one week

    I bought based on good reviews. Ive only started using for 2 weeks; so time will tell. Im running in media bag for 30 gallons.

Matrix is a highly porous media designed to provide exceptionally efficient bio filtration for single site removal of ammonia, nitrite, and nitrate from freshwater, marine, and reef aquaria. Each liter of matrix provides over 160,000 cm2 (170 sq. Ft.) of surface, equivalent to over 40 L (10 gallons) of typical plastic ball media! this product is sold by volume. Cited weight is minimal weight. Matrix is a naturally mined, chemically inert material for facilitating the growth of biological filtration in aquarium and pond systems. Due to its organic nature - size, shape, coloration, and density of the matrix material will vary slightly between packages. Any of These variants and small irregularities in sizing are perfectly natural and will not affect the integrity of the product or its ability to maintain water quality. It will also not affect pH in the system.

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