Cheap and Easy DIY Fluidized Bed Filter
- Thread starter KrabbeAquatics
- Start date
from what i understand and what i have researched it is a very effective filter to keep your nitrates and nitrites down in your tank. i think it would be best used as a supplement to the filters already on the tank. i am just going to add the fluidized bed filter to my filters on my tank already.
Great information, I think I'm going to give it a shot for for hell of it. I like the diy projects. Thanks
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I got one on my 75 and it actually cleared up the water a lot. Got some bio stars to make some for my other tanks
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This has given me an idea or two. I might have to try this out.
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no problem!
yes that would work great. Maybe even better than an air pump.
yeah you only fill it about half the way at the most. The media floats, but it is slightly less dense than water so indeed it doesn't take much to get it flowing.
Yeah something like this wouldn't work for your main filtration unless you built a large scale model in a sump then it would be more than adequate. I built it just as an addition to my filtration. My 225g will have a full size version of this.
yep
It works as an aerobic biological filter converting ammonia to nitrite to nitrate, end of process. These filters will keep the levels of ammonia and nitrite down while your nitrate levels will rise if you don't have some method of removing it (water changes, actively growing plants, denitrification filter, etc.).
These are basically another type of biological filter. It is thought that as bacteria become weak and old they are washed out by the agitation allowing more robust aerobic bacteria to replace them, making it very efficient at processing biologic waste products in solution.
Aragonite can also be used as media, this adds an additional buffering component to the fluidized bed beyond simply being used as a biologic unit.
I built one years ago out of clear, and basic PVC, that is @ 4ft tall and 8" in diameter, it holds about 10lbs of aragonite as media and it uses @300 gph pumpage to push the media into a fluidized state. It is still viable today, and I add new aragonite as old is used up.
A check valve is a good addition in case of power outage, when the media can back siphon into the influent pipe if its pressurized.
Aragonite can also be used as media, this adds an additional buffering component to the fluidized bed beyond simply being used as a biologic unit.
I built one years ago out of clear, and basic PVC, that is @ 4ft tall and 8" in diameter, it holds about 10lbs of aragonite as media and it uses @300 gph pumpage to push the media into a fluidized state. It is still viable today, and I add new aragonite as old is used up.
A check valve is a good addition in case of power outage, when the media can back siphon into the influent pipe if its pressurized.
