Matrix Bio Media 1 Liter

Works great for making my own filter packs for my aquarium.

Seachem Matrix is a great natural medium for colonizing both nitrifying and denitrifying bacteria so important for good water chemistry and the health of one's aquarium inhabitants. I noticed many users have complained about receiving an adulterated product, and frankly I thought I had received one as well. I called Seachem and got the scoop. Here's what I found out: Matrix is a natural, mined product. The mineral has natural variations in size and color. When mined, black Obsidian is sometimes included in the take. The Obsidian is removed by hand before packaging, but some slips into the container from time to time. The packaging does not have a tamper-proof seal beneath the lid. When you open the jar, you immediately see the product. Matrix is sold by volume and not by weight. A minimum weight is listed in the literature (e.g.: 1 liter of Matrix = 400 gram net weight) but this is required by law, and has nothing to do with the actual weight of the product, which can vary greatly due to Matrix absorbing moisture from the air, for example. The 1 liter of Matrix I received weighted 967 grams out of the jar. When you receive Matrix, expect it to vary in color, size, and that there may be a few dark or black rocks in the jar. Now for the actual use. Matrix provides a tremendous amount of surface area. The outer surfaces and crevices provide a very hospitable environment for the aerobic (oxygen consuming) nitrifying bacteria that make up the 'bio filter' so critical to breaking down Ammonia to Nitrite, and Nitrite to Nitrate. It's benefit doesn't stop there. At the end of the aerobic portion of the Nitrogen Cycle, nitrate is left to build up in the water column, and is one of the major pollutants that dictate the frequency and quantity of water changes. Nitrate can be reduced to Nitrogen gas - but this is an anaerobic (oxygen deprived) process requiring another type of bacteria. Nitrate laden water seeps into the core of Matrix after having been stripped of oxygen by the aerobic bacteria on the medium's surface. This oxygen-poor environment is perfect for colonizing anaerobic bacteria that consume Nitrate and release inert Nitrogen gas. This final step in the Nitrogen Cycle helps control the buildup of Nitrate in the aquarium, contributing markedly to the long term health of it's inhabitants.

Seachem Matrix is a tried and true bio media that’s a must have for your aquarium. Helps keep helpful bacteria to keep your nitrogen cycle going without issue and works great. You don’t have to worry about whether your bio media is working properly with this once you get it going.

I’ve been using this product for about four months. I put it in some nylon filter media bags & dropped it into the filter. I recently changed out 100% of the substrate and left the filter media alone. There was never any kind of clouding from bacteria bloom or any readings of ammonia in the tank. Super impressed! I’ll never use anything else.

I brought this matrix along with fluval biomax rings months ago. I put them together in a corner box filter and man oh man do these things clean! I have an overstocked 10 gallon fish tank and the matrix along with the bio max rings keep the tank clean! Protip: if you have a box filter put this, fluval biomax rings, and polyfill together in it. You'll have the ultimate filter! Plus, you save money too!

I have used this for a while and it works as advertised. My goal was to get my aquariums to be as low maintenance as possible. So i did tons of research and found that bio-media is the most effective way to keep aquarium water at the right parameters. I now use this, purigen and filter floss and my water is not only crystal clear, but also perfect paramaters. My ph is always around 7-7.5 0 nitrates and nitrates and 0 ammonia! I do add water when the tank gets slightly lower and do a 25% water change every couple months! I couldnt ask for a better, low maintenance aquarium! I use this on a 29 gallon angelfish tank as well as a 60 gallon community tank.

Was recommended this from a fish keeping forum i belong to and its definately a game changer my salt water tanks parameters are very well stable when usung this on the regular. Will always use it.

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