Mark's Aquatics on Twitter: "And also this diy matten filter with living wall. Go to Mark's Aquatics on YouTube if you like the videos please like share and subscribe. https://t.co/OWhK5kLY4p" / X
My DIY Hamburger Mattenfilter - Aquarium Advice - Aquarium Forum Community
Building a Hamburger Matten Filter (HMF) for an Aquarium : 4 Steps - Instructables