Seachem Tidal Matrix Filter Media - Seachem

Seachem Matrix for the Tidal 35, 55, 75 and 110 Hang On Filters comes supplied pre-bagged in Seach...

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Product Information

Full details

The Seachem Tidal Matrix is designed for aquarium hobbyists using Tidal 35, 55, 75, or 110 hang-on-back filters who want to optimize their biological filtration. This high-porosity biomedia excels at removing ammonia, nitrite, and nitrate simultaneously to maintain pristine water quality, though it requires a brief rinse before installation to prevent cloudiness.

All features

BrandSeachem

Extended Product Information

FAQs

Do I need to replace the Matrix media?

No, Seachem Matrix does not need to be replaced. It is a permanent biological media that can last for years.

Can I use Matrix in other filters?

Yes, while it is pre-bagged for Tidal filters, the media itself can be used in any canister or hang-on-back filter as long as it fits.

Should I wash the media with tap water?

No, always rinse or clean the media using water from your aquarium to prevent chlorine from damaging the bacterial colonies.

How long does it take for it to work?

As a biological filter, it needs time for bacteria to colonize the surface, which typically takes several weeks in a new aquarium.

Can I open the bag and pour the media into the filter?

It is highly recommended to keep it in the bag for easier maintenance and to prevent the small stones from entering your pump impeller.

Troubleshooting

Water appears cloudy after installation

The media was likely not rinsed sufficiently before use; ensure you rinse until the water runs clear next time, or it will settle within 24-48 hours.

Nitrate levels remain high

Biological filtration takes time to cycle; ensure your tank is not overstocked and verify that the filter flow is passing through the bag effectively.

Bag is too bulky for the filter basket

Ensure the bag is laid lengthways and distributed evenly to allow the lid of the Tidal filter to close securely.

Pros and Cons

Pros

  • Simultaneously targets ammonia, nitrite, and nitrate
  • Extremely high surface area for bacterial growth
  • Corrosion-resistant mesh bag ensures long-term durability
  • Custom-sized for Tidal filter baskets
  • Inert material will not alter water chemistry

Cons

  • Requires manual rinsing prior to first use
  • Cannot be removed from the provided mesh bag
  • Requires stable flow to maximize nitrate-reducing potential
  • Takes time to establish bacterial colonies for full efficacy

Setup, Compatibility & Care

To set up your Seachem Matrix, follow these steps:

  1. Remove the Matrix from the packaging.
  2. Rinse the bag thoroughly under clean water to remove any residual dust from the shipping process.
  3. Keep the media inside the included Seachem Zip Bag; do not open or transfer the contents.
  4. Lay the bag lengthways in the Tidal filter basket.
  5. Ensure it is placed above any chemical filtration media (such as carbon) to keep the biomedia clean.

For ongoing maintenance, avoid scrubbing or aggressive cleaning. If the media appears clogged during regular filter maintenance, gently swish the bag in a bucket of aquarium water (not tap water) to dislodge debris without killing the beneficial bacteria.

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