So i was looking up videos of moving bed filters with a water bottle and aerator and bio media in the water bottle with air being pushed through the media. Now, it seems like a cool idea and an easy design but do you believe it is any more beneficial to aerate this bio media over just placing it in your filter, and if so how much more effective do you believe it would make it. I'll attach a video of one I found on youtube, usually theyre used with a lighter plasticy media that floats around, hence the name moving bed filter.[YT]DXDzgM9x3tc[/YT]
Is it beneficial to aerate bio media?
- Thread starter fhawk362
- Start date
Since bio-media is used to propagate aerobic (requiring oxygen) beneficial bacteria, it stands to reason that aerating either the biomedia or the water stream preceeding the media would be optimal for maintaining the bacteria population. Directly aerating the media also provides degassing of the water passing through the aerated areas which aids in removing chlorine, chloramines, nitrogen, hydrogen sulfide, carbon dioxide, etc.
That definitely makes sense. I'm curious as to how much more efficient it would be to use a setup like the one shown or just throw the bag of biomedia in, lets say, an ac 110 where the water should be oxygenated after going through the propeller, just not as directly or efficiently. I guess there's no easy way to say, just wondering if its worth setting one up.
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You can build a non-electrical passive degassing tower by stacking a series of screen-bottom pots filled with bio-media. Just keep a slight gap between the pots and the aeration/degassing will occur in the pots and between the pots. The final drop can be directly into the tank or plumbed to the entry point of choice.
so how often do we replace the bio media? and when we do replace the bio media, do we just take out a fraction of it? or all of it?
Most biomedia you should never really have to replace. The debate comes up with how often to clean it. You need to be careful not to kill off the beneficial bacteria that's been built up. It seems like the consensus is about a monthly rinse of half your biomedia in tank water.
Correct me if I'm wrong.
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thank you very much kind sir. i will do as you stated :] i wasnt sure what to do with it once i had it hehe