These DIY k1 Micro moving bed filters are an excellent way to provide a little extra filtration in the aquarium. They're also pretty memorizing to watch.... | By The Natural Habitat
![Amazon.com: K1 Bio Filter Media Moving Bed Biofilm Reactor (MBBR) for Aquaponics, Aquaculture, Hydroponics - Ponds - Aquariums by Wholesale Koi Farm, 1 Cubic Foot : Patio, Lawn & Garden Amazon.com: K1 Bio Filter Media Moving Bed Biofilm Reactor (MBBR) for Aquaponics, Aquaculture, Hydroponics - Ponds - Aquariums by Wholesale Koi Farm, 1 Cubic Foot : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/81y08NfOOSL.jpg)
Amazon.com: K1 Bio Filter Media Moving Bed Biofilm Reactor (MBBR) for Aquaponics, Aquaculture, Hydroponics - Ponds - Aquariums by Wholesale Koi Farm, 1 Cubic Foot : Patio, Lawn & Garden
![I made a DIY K1 micro filter in my 65L(~17gal) tank, one of my Black Tetra absolutely loves watching the media tumble around! : r/Aquariums I made a DIY K1 micro filter in my 65L(~17gal) tank, one of my Black Tetra absolutely loves watching the media tumble around! : r/Aquariums](https://external-preview.redd.it/i-made-a-diy-k1-micro-filter-in-my-65l-17gal-tank-one-of-my-v0-GcB7mu5YBS-NkPR_ZwZ341xcGattGvIGAioKJ67XdMU.png?format=pjpg&auto=webp&s=e8453505ea9c7b4f1efb6ecb45f17f33cbc0dc6d)