Building a Hamburger Matten Filter (HMF) for an Aquarium : 4 Steps
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Mattenfilter - SWISSTROPICALS
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Hamburg mat filter HMF guide - aquaristics
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Hamburger Mattenfilter HMF
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Hamburg mat filter HMF guide - aquaristics
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The HMF – What's That? — Seriously Fish
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Mattenfilter Foam — Volker's Aquarium Supplies
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Hamburg Mattenfilter for quarantine?
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The HMF – What's That? — Seriously Fish
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The HMF – What's That? — Seriously Fish
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How a HMF (Hamburg matten filter) Works
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Hamburger Mattenfilter HMF
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Building a Hamburger Matten Filter (HMF) for an Aquarium : 4 Steps - Instructables
![](https://content.instructables.com/F8A/D5BZ/GY4RAK4A/F8AD5BZGY4RAK4A.jpg?auto=webp&fit=bounds&frame=1)
Building a Hamburger Matten Filter (HMF) for an Aquarium : 4 Steps - Instructables
![](http://www.swisstropicals.com/wp_site/wp-content/uploads/Mattenfilter-layout.jpg)
Mattenfilter - SWISSTROPICALS