Donovan's Nitrate Destroyer

JML, haha. It doesn't smell but the thick slime coat on filter sock was surely disgusting. I have to squeezed mine to remove that crap :)
 
I also discovered that zero no3 for a few months at water column will reduce bacteria in the reactor. With sudden increase of bioload like mine (fallow for 3 months, added 6 fishes more than 2 weeks ago), bacteria dosing has to be performed again for 5 days to take care the load.
 
The skimmate produced smells like no tomorrow, but the socks were just slimy no odor. Probably because the bacteria were still alive in the socks. The H2O2 did a great job clearing them outvtjoigh
 
The effluent today...significant progress!!!

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The effluent today...significant progress!!!

4271036321fe4566a5fb923ff1dde0d5.jpg
Now that is one more success story. Hope I am following soon[emoji122]
There is no modification to the software all you have to buy is 12v dosing pumps with 5000 rmp and connect the pumps to the connectors that are free of use, You can buy the connector from Rabid Led, They sell connectors to connect their solderless led's it will fit the connector on the board. Below is the link to my thread on Manhattanreefs with pictures, I hope this helps, Now i have dosing pump with 6 pumps.


https://www.manhattanreefs.com/forum/diy-do-yourself/197546-diy-rigged-jebao-dosing-pump.html
Ravi thank you. Saw your photos at the other forum but I couldn't understand what connector you use. Can you give me a link or photo to see if I can source them locally?
 
Greg, did you increased carbon dosing?.
I just restarted it, after my absence, 4 days ago Don, so not yet. In 3 days I will probably increase it by 1 ml. Everything will be done slowly in my reef :-) remember I don't use socks and skimmer, so an event like jml, will be a disaster for my system.

PS the reason I restarted nopox is the unexpected PO4 decrease by such small dosing.....somewhere in my system - hopefully in the reactor- bacteria population is increasing, assimilated Po4 in their body. I just hope that the bacteria that increasing are anaerobic in the reactor.....if in some days I don't get measurable results from the reactor outlet, I may consider adding bacteria in there.
 
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I just restarted it, after my absence, 4 days ago Don, so not yet. In 3 days I will probably increase it by 1 ml. Everything will be done slowly in my reef :-) remember I don't use socks and skimmer, so an event like jml, will be a disaster for my system.

PS the reason I restarted nopox is the unexpected PO4 decrease by such small dosing.....somewhere in my system - hopefully in the reactor- bacteria population is increasing, assimilated Po4 in their body. I just hope that the bacteria that increasing are anaerobic in the reactor.....if in some days I don't get measurable results from the reactor outlet, I may consider adding bacteria in there.

Haha. Noted. Yup, if you don't have mechanical filter than it has to go slow. I rarely have bacterial bloom nowadays except bacteria plankton every morning. I am quite happy with maintenance dosing, i can keep no3 between 3 - 5ppm. I don't test po4 since algae is no longer a problem after shifting to RODI.
 
So tonight, after just about 3 weeks of doing this, my nitrate has come down from somewhere from 40-80ppm, to 10-15. It's almost time to break out the Salifert test kit and start looking from 10-0. What an easy, successful, project. Amazing.
 
One word of caution though, as with any vodka dosing, I am seeing some burnt tips on SPS, so I'm lowering my alk. Currently around 10.
 
Yup. Lower nitrate means we must keep lower alk. I kept mine at solid 8. I am so happy you managed to emulate my success Jml. Yeahh...
 
I'm on sixth month running the reactor and i don't think i need to run the pump alternately. Continous pumping at specific rate does the job pretty well. I can adjust my effluent output to contain specific amount of no3. Zero nitrate is achievable if needed.
 
I'm on sixth month running the reactor and i don't think i need to run the pump alternately. Continous pumping at specific rate does the job pretty well. I can adjust my effluent output to contain specific amount of no3. Zero nitrate is achievable if needed.



I understand that it works extremely well without running the pump alternately but would it be more efficient if it were?
 
I'm not sure how does the chamber reacts as the design does have both aerobic and anaerobic area linked with each other. Letting the water stagnant for a period of time might kill off the bacteria in the aerobic zone due to lack of oxigen. I personally don't think it is a good idea to do so.
 
Ok thanks for your input, I really like this design and may make one of my own, anther idea would be to put three towers in succession so the one in the middle would have extremely low flow making it optimal for anaerobic bacteria
 
Ok thanks for your input, I really like this design and may make one of my own, anther idea would be to put three towers in succession so the one in the middle would have extremely low flow making it optimal for anaerobic bacteria

If you connect three chambers in series, and pump water through them, the speed of the flow will be the same in all three. An obstruction in one slows the flow through all. Adding multiple chambers will do the same as making the two chambers taller, it will give the bacteria more time to deplete the oxygen;

2 100ft tall chambers = 200 1ft tall chambers. Adding more distance (distance=media) for the water to travel through will allow more time for the bacteria to consume the oxygen (also PO3/4). At some point there must be a point of diminished consumption, making any further distance/media useless.
 
If you connect three chambers in series, and pump water through them, the speed of the flow will be the same in all three. An obstruction in one slows the flow through all. Adding multiple chambers will do the same as making the two chambers taller, it will give the bacteria more time to deplete the oxygen;



2 100ft tall chambers = 200 1ft tall chambers. Adding more distance (distance=media) for the water to travel through will allow more time for the bacteria to consume the oxygen (also PO3/4). At some point there must be a point of diminished consumption, making any further distance/media useless.



Thanks for the clarification, I may make a short one with 4 chambers than
 
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