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‎ Today I show you how to make a k1 kaldness media filter out of a 2 liter bottle. Using a soldering iron, some glass beads and some media it takes about 10 minutes to make one. You'll need an air pump, air line and an air stone.

Supplies:
Kaldness Media: https://geni.us/IwuKa on Amazon (commissions earned)
Glass Beads: https://geni.us/iaJ6oW on Amazon (commissions earned)

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0:00 - How does this DIY aquarium filter work?
0:56 - Supplies you need to build a DIY filter
5:22 - Building a DIY aquarium filter
10:59 - Cycled filter compared to a new filter
16:41 - Outro

#Aquariumfilter #Aquarium #Fishtank