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30-10-2007, 04:30 AM | #211 | |
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For my setup, I am using siphoning and so my placement of input is limited to the main tank itself. |
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30-10-2007, 04:47 AM | #212 |
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Still don't follow. Put it another way, DOC in first chamber & last chamber, what's the diff? It's the ammonia that goes through the process of nitrification. DOC? It should pass right through? Am I right?
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30-10-2007, 04:58 AM | #213 |
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For those who wants natural feeding for anearobe, DOC is used. The place where the highest level of DOC is normally located where the wastes are trapped .....the filter wool.
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30-10-2007, 05:08 AM | #214 |
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Atom ah, still trying to grapple with this DOC thingy....
it is "proteins, amino acids, phenolic compounds, pheromones (hormones that affect the behavior of other fish), and other metabolic byproducts", .....??? Why would the first chamber have more DOC than the last chamber? |
30-10-2007, 05:27 AM | #215 | |
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Aiya I'm just trying to make you look at it at another angle. Dissolved Organic Compound ...organic because they contain the element carbon in their chemical composition and thus sometimes known as Dissolved Organic Carbon. Anaerobe need carbon source to denitrify the nitrate. Any questions on this part? |
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30-10-2007, 06:37 AM | #216 |
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ok ok, first chamber sipon or pump out ( but still don't understand, nevermind, I believe what you say, you know the way.)
Regarding clogging, what are the likely causes? |
30-10-2007, 11:47 PM | #217 | |
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- too much carbon source ....anaerobe bloom - too much dead bacteria - exposure to light source |
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31-10-2007, 01:54 AM | #218 | |
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Mind to PM me the link?? always nice to learn more from you on Denitrator topics.. |
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31-10-2007, 02:12 AM | #219 | |
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http://www.practicalfishkeeping.co.u...calculator.php |
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01-11-2007, 02:00 AM | #220 |
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Did a small experiment. I have been running one of denitrators which was recently maintained (about 1month ago) with a control output of 6 l/hr 2 weeks ago. The ORP controller is set at -200mV. At this flowrate, denitrator kicks in and out fequently about 10 mins interval. The lowest ORP value was -270mV.
Today, the value went down to -389mV. There are slime build-up along the output hose which mean the flowrate has reduced further. The hose on the left is the affected denitrator. |
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