Ozone reactor flow rate

Ricky Vargas

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Hi all,
I have a planted tank but I am posting here since the reefing community has much more experience with ozone. I am trying to figure out optimal water flow rate through my reactor.

The main part of my reactor is my old Yugang horizontal CO2 reactor. The horizontal CO2 reactor is basically a slow river of water with a gas pocket above slowly dissolving gas into the water. The reactor is 2" diameter 9ft in length. After this the water goes to 200 ft of 1/2" tubing coils. Then the water goes through a 55W Jebao UV sterilizer. I plan of adding a way to vent the gas so it can go through some carbon, but I currently don't smell any ozone coming out of the reactor.
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I am using a weipro 200 mg/hr. The tank is about 350G. I am using my jebao DCT 4000 to power the reactor but I don't believe it is handling the backpressure very well. I am only getting 70 gph through the reactor. Will this be fine? I have heard slow dwell times are optimal but I imagine not this slow. What flow rate should I be aiming for? I may just add a tee from my main return line as that is only running 30% power right now, it is a jebao DCP 20,000. My goal with the ozone/UV is fixing cloudy water, I want fish floating in air effect. Also removing tannins as they build up extremely fast and I don't want to deal with constantly changing carbon. I have a blackworm culture with several pounds of worms connected to this tank and it is the reason my water clarity has not been like it used to. This is the tank right now.
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Ricky Vargas

Ricky Vargas

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A thing I forgot to mention is I have not been sure about the relationship of air flow rate and the dial on the generator. I read these articles on ozone https://reefkeeping.com/issues/2006-04/rhf/index.php that say air flow has a small effect on ozone production according to the graph.
image002.jpg

But does this mean if I am using less air flow to set the dial lower? What if you have the dial 100% at 200 mg/hr but the air flow is on the lower side of that graph, does it mean I should turn the dial down since you can only produce so much ozone from a certain amount of air?
 

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