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mrgrackletx
PostPosted: Jan 19th, '08, 02:29 
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Check this thing out. This guy is using two 550 gallons tanks as a way culture an anoxic bacteria that takes nitrate out of his 10,000 gallon aquarium. Basically, what our plants our doing... but I thought it was interesting because he's creating an anoxic environment to get a certain type of bacteria growing to do the work. In another msg here somewhere (can't find it now) people where talking about creating an anoxic environment to create a more usable version iron (right?)

but he's adding some other chems to keep the system going.... i dunno, anyone smarter then me able to break it down?

http://www.monsterfishkeepers.com/forum ... p?t=115444
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GotFish?
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PostPosted: Jan 19th, '08, 02:56 
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Wow a big RSG filter.
Thanks for the link!
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janethesselberth
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PostPosted: Jan 19th, '08, 03:11 
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Actually, we were using anoxia to do either: chelate iron or offgas nitrate.

http://www.backyardaquaponics.com/forum ... php?t=1523
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GotFish?
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PostPosted: Jan 19th, '08, 03:31 
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True, I forgot about the nails as I was blinded by the nitrate removal. Or is it I had my blinders on and only saw the portion I wanted to see?
Selective vision, ain't no cure but practice. ...grin
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DanDMan
PostPosted: Jan 19th, '08, 12:31 
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Ahh new methods Image

Quote:
the method that i am reffering to is tricling the water through about 100 feet of 1/4"-3/8" SINFLEX hose. i think its anarobic bacteria that converts the nitrates to nitrogen gas and hydrogen sulfide, that just jarred my memory, its cheap but deadly if not vented right, and it only produces hydrogen sulfide if you get O2 or light into the system. im thinking of trying it out with a small vent going to the roof. this is a bio filter. it uses a bacteria that lives in anoxic conditions ( very low oxygen) and can "eat" bio available carbon ( eg not charcoal) methanol, ethanol, certain sugars


Very interesting.. Not charcoal. Well.. perhaps the RSG filter needs a little something extra. I know bacteria thrive with sugar (the carbon),but what type of sugars? There are so many. I want to look into this a little more because i need it for a winter nursery when growing is not a possibility.

My 35 gallon bio filter (barrel with gravel) kept my system at 0,0,0 never had any nitrates.
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Stuart Chignell
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PostPosted: Jan 19th, '08, 15:40 
Seriously, this cant be healthy.
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DanDMan,

35 gallons of what?
How many kilo's of critters?
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janethesselberth
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PostPosted: Jan 20th, '08, 02:12 
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Interestingly, my breeder aquariums do not have nitrates now either.
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DanDMan
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PostPosted: Jan 20th, '08, 04:47 
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It was a 35 gallon drum full of gravel. Water flowed down into a small slotted/drilled bucket (upside down) on the bottom wrapped with filter and filled with river pea gravel. A solids removal pipe was placed into the center.
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