HOW TO: DIY Moving Bed Aquarium Filter

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The king of DIY: A cheaper and more powerful alternative to this media:

Mat Fowlie: Hey Joey. First off I'd like to say thanks. I found your videos about a year ago and they have really helped me out and inspired me to take my hobby even further. I'm building a sump for my 125g tank out of my old 60g tank and I want to use the moving bed method. Do I have to use the K1 Media or is their something else that will work the same way?

REIF ISEPPIC: Would this work on a marine aquarium? 

ryan mcphee: Where do you purchase your k1 kauldnes

Melanie Simpson: Do you explain this filter a little more in your book? Planning to purchase it in the morning. :-)

gabe durham: i have a trickle filter that goes into a refugium,im thinking about putting the k1 and an air supply into the refugium and removing the sand,would you recommend this or not

Mireille Gingras: hi joey...i am using wet dry system for my 90 gallon....have been looking at this for a while now...i guess i would have to make it in acrylic to be able to use my WONDERFUL automatic change of water..thanks for that..i am 68 and lifting 5 gallon bottles of water above my head was hard what do you think the thickness of the acrylic should be ??? thanks in advance..

Richard Whitehead: Joey,
How do you know how much sump space, media, air flow, etc to use vs aquarium size and bio load? I've set up a 125, dirt substrate, very light bio load now, but preparing it for a planted discus tank. 

Billy Bob: hi joey, i know you probably answered this question before but what's the difference between k1, k2, k3? what's your recommendation for a 160 gallon saltwater aquarium?

Richard Whitehead: Love your videos and appreciate the time you spend making them. Any thoughts on cutting up plastic scrubbies to use as media in a smaller version? Unless they just fall apart, I can't imagine why they wouldn't allow bacteria to grow while being moved around. Thanks ahead for your comments.

caravann26: Do you still like your kaldness filter? Does the media change it's flow pattern dramatically after it has been established and some bio film has built up on it? THANKS great video with the rick you two are the tops

Jeff Mountjoy: Joey, really enjoy your videos. I use pre filter trays like you, K1 media and drip systems on my tanks as well and drain them to my basement sump. Regarding your filter design-I found that using old under gravel filter plates work awesome for the last section of the filter. The wide area allows good water flow through to the last chamber and keeps K1 from clogging up against the outflow. Just thought I would share another alternative. Love the K1 media

Alberto stoppa: Hello I'm Alberto, the first you're the best and I've seen all your videos, I wanted to know the name of the material that you use, thanks for all the wonderful tips.... Excuse my english I'm Italian 

Leo Pazzo: Overall what would you say the easiest and most efficient sump for a fresh water set up? What should the sump consist of? Thanks in advanced. Maybe make another video on this. But updated 2013-2014 

Leo Pazzo: Interesting thanks for the tips and tricks lol 

Leo Pazzo: Bro is it true you should not plumb an aquarium with abs because over time it releases some sort of chemical in the water. PVC is the proper material to use. Can you clarify this? Just because if I can use abs maybe I will as it's cheaper in material. Thanks bud you came a long way as I noticed this is a much older video of yours. Great job

The king of DIY: For more videos, pictures and updates:

akhurash: How loud is this filter? I want to make a 120 gal tank using acrylic and I'm thinking about using a fluidized bed filter.

JavierMuyCrazy: what kind of motor are you using. Im thinking of doing this for my 55 gallon and I have a 29 gallon spare tank which I'm going to use for a filter. This would be a awesome project I would love to finish with your tip. thank you sir. Nice filtration by the way. good luck.

discusctx: where did you buy the K1 media from ? 
HOW TO: DIY moving bed aquarium filter 5 out of 5

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HOW TO: DIY moving bed aquarium filter