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Same issue here. Though in my case it's only been a few days. I have a 55w on a 220DT. Thinking of ordering another 55w but unsure if I should put them in series or parallel. Or how much flow.
How easy are dino's to kill with UV? I have ~700gph going through the 55w right now. Unsure if I should reduce it or not.
I think 700 gph flow through your UV is too fast/not enough contact time. There are a few comments on flow rates earlier in this thread. I would skim through or look into a lower flow rate.
Last night we implemented a few new methods for eliminating these dinoflagellates. UV sterilization and diatom filtering.
I hacked the UV system together in an effort to quickly get it up and running. If I see results from it, I'll need to come up with a plan to pull water from the display and run it through the UV unit and return it back to the display without looking like a toddler put it together.
It's a simple setup, 520 gph pump resting on the sandbed running through 3/4" tubing with a ball valve and returning directly to the display. Thoughts on cleaning this up?
This is the Marineland Magnum filter. I put the micron cartridge in it and charged it with 6 tablespoons of diatomaceous earth while running it in RO/DI water in a 5 gallon bucket. I'm not super impressed with this piece of equipment, yet. It was blowing lots of microbubbles and making lots of noise this AM. I'll pull it out tonight and double check everything and see if I can get it running quieter and get the air out of the system.
I ordered two Jaebo 55w as a unit and I run them in series. Water in on one unit, out on the opposite end of the other unit. It eradicated my ostreopsis literally over night.
Be aware the threads on those units really aren't made for connecting with NPT type threads, they seem to be made for a cap with a rubber washer which is what the caps have that come with them. Be sure and use plumbers putty or teflon type tape or they will leak. Drove me crazy for a little while till I got them taped adequately. I would put a union between them rather than glue them. That way you can use just one for maintenance if you want to when everything is back to normal.
Awesome news, as I am afraid I have that strain as well. It's been resistant to all other efforts. What is the GPH you are running through the 2 units and how big is your DT again?
You would be in danger of saving about $500. Seriously, I have both the jebao 55 watt and aqua UV 57 watt. Big difference in cost. Both did the job.so what are the dangers of getting these UV sterilizers which are close to $600 cheaper then the ones you find for reef tanks in terms of wattage?
I.e. Looking at BRS- https://www.bulkreefsupply.com/emperor-aquatics-smart-high-output-uv-50-watt.html
with the pond ones from amazon which is here-
https://www.amazon.com/Jebao-Clarif...d=1548794535&sr=8-3&keywords=jebao+uv+55+watt
Sounds like you are doing things that should eradicate ostreopsis relatively quickly... You may be doing this already, but I would certainly run my UV from DT back to DT. At least for the short term.By microscope we were able to identify my dino's as Ostreopsis. Unfortunately it has been a battle to just see a daily improvement. It seems things look better for a day, and then much worse for a day or two.
I've finally managed to raise nutrients enough to get some algae growing on the back wall, that the snails seem extremely happy to have available to them now. I've also started dosing 30ml of H2O2 twice a day. Once in the morning before lights come on and once in the evening after lights go out. I have 2 55W jebao and am running ~350GPH through them on a 220DT, ~300gal total volume. I still blow off the rocks 1-2 times per day and blast the sand at night.
im running uv 24/7. still having dino. maybe not enough wattage
Same issue here. Though in my case it's only been a few days. I have a 55w on a 220DT. Thinking of ordering another 55w but unsure if I should put them in series or parallel. Or how much flow.
How easy are dino's to kill with UV? I have ~700gph going through the 55w right now. Unsure if I should reduce it or not.
Sounds like you are doing things that should eradicate ostreopsis relatively quickly... You may be doing this already, but I would certainly run my UV from DT back to DT. At least for the short term.
Sounds like you are doing things that should eradicate ostreopsis relatively quickly... You may be doing this already, but I would certainly run my UV from DT back to DT. At least for the short term.
Do you know the type of dinos you have? If they are amphidinium dinos, UV isn't going to help since they don't go into the water column.
I don’t know salty. That’s a great question. I moved my from DT to sump return, only to put it back in DT, where I plan to keep it for the foreseeable future. I hung mine off the back so the only thing I see in my tank is the mj1200 powerhead in the corner. Not too bad on a 180 gallon tank. I do know that others had success moving it on the sump return. Some eliminate it altogether.That reminds me of a question I had. How long is short term. I've been running UV for 10 days now and haven't had any sign of dinos for 9 days and 12 hours. How long before it's reasonable to plumb my UV to the sump? It's been so long since I've enjoyed looking at the tank it's kind of a bummer to have to look at my jury rigged plumbing!