Seachem Matrix Bio Media 1 Liter

This is great for the fish tank.

While it did seem a bit dusty at first, Ive had no problem with it clouding up the aquarium at all. Ive get to do a filter change since receiving it, but the water is still beautifully clear after over a month of running. Theyre wonderfully absorbent and have plenty of surface area. I will remind you that it is one liter, which is half of a two liter bottle of soda. The size took me by surprise, but that was my own mistake. One bottle filled one of the chambers in my 175 gallon canister filter.

Large bottle enough for least 6 months, this media is great and transformed my tank that I had let get away from me. I will say my water has looked clearer after using this than other media. After exhausted you can leave it and it will continue to be your biological media after. 2 uses with no change on your part.

I will only purchase 2 bio medias. This is one of them. I typically use this first, right after mechanical filtration. I do this because this pumice will overlap and force water to change paths. It provides the very last bit of slight mechanical filtration on the off chance something gets through. Because this is natural stone, it will have many I perfections and he highly inconsistent. That is ok by me because it has been a reliable performer as a bio media and final mechanical protectant for the last trays of Biohome, which has more porosity and uniformity. Between the 2 medias my tanks have thrived. Id be torn to pick just 1 as they have a few exclusive beneficial traits.

Its works well

Excelllent

I used the whole thing for my 40 gal because my 10 gal has about 1/4 of it. This is a good product. I will most likely add more and take away 10 lbs of live rock. Water parameter are too good.

I received a few different color media but they were mostly white. Theres a good amount of different sizes too. I filled up the filter and used the rest as substrate. It can be cleaned and reused so why not? It looks great.

I read about Seachem Matrix and I thought I would give it a try. Great product and it really helped give my tank the bio boost that it needed to keep Ammonia and Nitrites at 0 ppm. I have Matrix media in a plastic canister in my extra slot on my Penguin 200, and after about two weeks or so the aquarium settled down and my numbers and levels got in line. I did have to tap some of the big stones with a hammer to make them smaller so they fit just right, but that was fine. UPDATE: 09/22/2012 - Seachem Matrix still wotking. Added it to a canister filter and Ammonia and Nitrites are at proper levels. All one needs to do periodically is give them a good rinse in aquarium water and place them back into the canister filter.

I am using one big bag of Seachem matrix in my refugium for biological filtration. I have never seen any issue with nitrates and phosphates in my tank. I don’t use any skimmer... just the bio filtration. I do think that part of my tank success goes to Sechem Matrix.