Hydroton as a filter media? - The Planted Tank Forum
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post #1 of 16 (permalink) Old 06-30-2011, 02:50 PM Thread Starter
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Hydroton as a filter media?

I recently stumbled across a thread on another forum talking about how a guy uses Hydroton exclusively in his filters for bio-media. Hydro ton is completely inert clay balls that are fired and porous. Basically they look EXACTLY like Coco-puffs! They also do not disintegrate, according to the thread.

Hydroton is used for Hydroponic gardening and is about 20 bucks for 10liters of media. The size of the media is about 6mm-14mm with the average size being 8mm-10mm.



Seems like a decent substitute for more expensive bio media.

Please share your thoughts or experiences with this product, as I could potentially save a decent amount of $ for the two filters I am prepping.
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post #2 of 16 (permalink) Old 06-30-2011, 02:52 PM
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never tried these in a filter. but they dont taste like coco puffs! they float though, at least some of them do. so it might be a problem. they also are very very very dusty, so they need to be thoroughly rinsed before use.


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post #3 of 16 (permalink) Old 06-30-2011, 02:55 PM Thread Starter
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never tried these in a filter. but they dont taste like coco puffs! they float though, at least some of them do. so it might be a problem. they also are very very very dusty, so they need to be thoroughly rinsed before use.
Yeah I read that some of the media floats until water logged. I would be placing a fine sponge pad over them and pack them in tight to keep them in place inside an Ehiem 2217. Rinse before use is a must

I also have a Fluval 204 that has baskets with lids so that would laso keep them in place.
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post #4 of 16 (permalink) Old 06-30-2011, 02:56 PM
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i filter sponge would work. i might try this in my 221 or 2215.... i have a 5 gallon bucket full of it!


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post #5 of 16 (permalink) Old 06-30-2011, 02:58 PM
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wow you can get it as cheap as 50L for 20 bucks, may be worth replacing one of the trays of scrubbies in my sunsun


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post #6 of 16 (permalink) Old 06-30-2011, 03:42 PM Thread Starter
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wow you can get it as cheap as 50L for 20 bucks, may be worth replacing one of the trays of scrubbies in my sunsun
Exactly it seems to be VERY similar to many available bio media, but cheaper, and multi use if you are growing potted plants emmersed. I'm betting ther might even be similar and cheaper versions of this product available on the market.
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post #7 of 16 (permalink) Old 06-30-2011, 09:02 PM
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As long as they don't break down I don't see why not.


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post #8 of 16 (permalink) Old 06-30-2011, 10:29 PM
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That stuff sounds very similar to seachem matrix.
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post #9 of 16 (permalink) Old 06-30-2011, 11:55 PM
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My buddy uses this stuff in his 'ahem' garden!
I alwasys wondered how it would work as bio media.


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post #10 of 16 (permalink) Old 06-05-2019, 06:50 PM
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Is this thread still actual?
Is anyone using Hydroton as filter media?
Does anyone know how much surface area it has compared with other media like lava rock, ceramic rings etc. ?
Does anyone know if Hydroton supports anaerobic bacteria for denitrification?
post #11 of 16 (permalink) Old 06-05-2019, 11:50 PM
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Wow, an 8 year thread revival!

I'm not sure about the surface area of this particular media, but regarding supporting anaerobic bacteria, it is highly unlikely, if not impossible.

Anthony


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post #12 of 16 (permalink) Old 06-08-2019, 04:21 PM
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Is this thread still actual?
Is anyone using Hydroton as filter media?
Does anyone know how much surface area it has compared with other media like lava rock, ceramic rings etc. ?
Does anyone know if Hydroton supports anaerobic bacteria for denitrification?
I use Hydroton exclusively in both my 60 gallon tanks. One with an Oase 600 cannister packed with as much as I could get in there, which is alot. My other tank has a sump with the Hydroton in media bags.

Does it work? Yes, very well. Put it this way, in preparing my cannister filtered tank I seeded some new hydroton for a month in my sump.

I was able to cycle my new tank, with an Amazonia 2 plus Power Sand substrate completely down to zero amm and Nitrites in 2.5 weeks.

And yes, it's dirt cheap and available in any local Hydroponics store, which seem to be everywhere now with the growing popularity of indoor growing and legal weed.
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post #13 of 16 (permalink) Old 06-08-2019, 04:25 PM
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Wow, an 8 year thread revival!

I'm not sure about the surface area of this particular media, but regarding supporting anaerobic bacteria, it is highly unlikely, if not impossible.
Make your case, why is it highly unlikely if not impossible. That's a bold statement.
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post #14 of 16 (permalink) Old 06-08-2019, 07:54 PM
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Make your case, why is it highly unlikely if not impossible. That's a bold statement.
Yep, I would think with itís tighter outer pore surface it would work great in high flow rate filters and still go anaerobic in center of balls. Where as other more porous media actually require you to put it in limited flow rate design to go anaerobic.
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post #15 of 16 (permalink) Old 06-09-2019, 05:01 AM
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Make your case, why is it highly unlikely if not impossible. That's a bold statement.
It would really depend on the internal porosity of the media, and whether there is sufficient lack of flow to prevent oxygenated water from reaching those parts to allow for anaerobic conditions.


Given these stringent requirements, it'd probably be difficult for anaerobic/denitrifying bacteria to take hold.



If you have a setup with this media and can propose a reasonable experiment, I'm more than interested in slipping it into our next DNA sequencing run

Anthony


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