Dinoflagellates.

Meant mixed in with some of my cheato. May have alittle still in display but most of the corals that browned out r getting back some color besides a few that died
 
Montireef said:
I have been messing around with the microscope to find that one drop of H2O2 at 3% (10 vol) quickly kills all the ostreopsis in 50 ml.

As 1 ml equals about 43 drops, it means that I could kill all the pest with just 0,35 gal of H2O2. As H2O2 is very very unstable, I presume it won't last long in the aquarium as to hurt higher creatures such as fish or inverts.

I will go with half dose tonight when the dinos swim free in the water. Wish me luck...
Click to expand...
Unfortunately it doesn't really work that way. At its peak, I was dosing 300mL of peroxide into my tank three times daily with basically no effect. My total system volume is around 90-100 gallons. You'll never be able to make sure each cell is touched by the peroxide. I know it works in theory, but in practice it just doesn't work. :(
 
Thank you for your piece of advise, DNA. I have read the whole thread, the 17 pages.

I had also read the article you are linking. They state that most dinoflagellates make cysts as a response to hard times. What if live in my aquarium is nice and quiet? no temperature or salinity oscillations, no change in nutrient levels, no predators...it could happen that they don't make cysts, who knows...

People are reporting some kind of success dosing 1 ml per 10 gal of system volume. I am dosing x50 that amount with no visible effect on fishes or inverts two hours later.
 
Four hours later I repeated the same dosage of H2O2. No effect on fish, inverts nor dinoflagellates.

I will take out all the livestock and nuke the whole system.
 
Montireef said:
Four hours later I repeated the same dosage of H2O2. No effect on fish, inverts nor dinoflagellates.

I will take out all the livestock and nuke the whole system.
Click to expand...

If that is what you do, then luckily you don't need to use peroxide or bleach or anything, just fresh water. Do keep in mind, though, that any livestock you transfer back as far as invertebrates go can very easily bring them back in, even if you dip them in fresh water beforehand and such, this is how they made it back into my system :(
 
Dino spores are everywhere, including in the gut of any coral, fish or invert you introduce to your system. Nuking is a good option to reset your tank.

Once you have recycled, proper nutrient control using skimmers, GFO, activated carbon, water changes, etc. are how you prevent Dino's from taking over your system again.

I nuked my 250G because of Dino's, and the cycle is now finished. I intend to begin adding fish shortly.
 
I am also dealing with Dino's at the moment. Looks similar to the Ostreopsis with the naked eye but not 100% sure. I'm on the verge of upgrading a whole new tank with bleached and acid dip rocks that has been cycling in a brute for almost 1 month. My questions are for all you Dino Expert. Can i reuse the water from my current aquarium now for my new? I'm guessing no since it has dinos floating in it. There are a few corals i would like to frag and keep for my new tank. Can i frag them and dip them in freshwater to be placed in my new tank or is that running a very high chance of contaminating my new system? Or should i just chalk it up as a lost and just let everything die out and start a whole new system from fresh? I also have a few fishes i would like to keep and don't want it to "let it go" in the old system. But from what people say, they can still carry the dreaded dino in its gills. Thank you in advance for your assistance. It is very close to go time with the new tank.

Also i have a sump and equipments that i will be transferring over to the new tank. I would probably be cleaning it with vinegar and drying it out beforehand. Is that safe enough or would i need to use bleach? Thanks again.
 
System nuked.

More than $6.000 in lifestock lost. Really sad day.

From now on everything that comes in the system will be dipped, quarantined and checked under microscope.
 
Montireef it sounds like you lost everything because of heavy peroxide dozing.
Could you please explain what happened so fellow reefers can learn from it.

Bloody dinoflagellates!
 
DNA said:
Montireef it sounds like you lost everything because of heavy peroxide dozing.
Could you please explain what happened so fellow reefers can learn from it.

Bloody dinoflagellates!
Click to expand...

Not really. H2O2 didn't harm any fish or invert at all even at that high dosage.

I dipped 80% of my livestock (the most valuable acros and LPSs) in fresh water (10 seconds aprox). and then placed in a big tank with a circulation pump, a heater and some ROX0,8 activated charcoal. Some of my most delicate acros like a Jackelinae, echinatas, ciphrastrea... died soon after; there are still some alive but not sure about them). The other 20% isn't sterilized and is sitting in another tank with the same water and dinos but oddly not showing signals of their existence.

I nuked all the tanks, pipes, skimmer, reactors...with cold fresh water and a heavy dose of peroxide. Tomorrow I will drain it away and start filling up with RI/OR water.

Don't know what to do with the surviving corals, maybe selling them.

I feel really bummed, some acros stayed with me for more than ten years.
 
I'm sorry to hear about your losses. It's informative to hear that such a short dip seems to have killed some Acropora.
 
bertoni said:
I'm sorry to hear about your losses. It's informative to hear that such a short dip seems to have killed some Acropora.
Click to expand...

We must bear in mind that although they were highly acclimated acroporas, they had suffered quite a lot: blackout period, rising nitrates from 0 to 25 ppm (they rapidly turned brown turds), dinoxal, algae-x, H2O2, amoxicilline, turkey-baster, pump cleaning...I tried almost anything with little to none success and they put up with it with hardly any complaint.
 
Montireef said:
Not really. H2O2 didn't harm any fish or invert at all even at that high dosage.

I dipped 80% of my livestock (the most valuable acros and LPSs) in fresh water (10 seconds aprox). and then placed in a big tank with a circulation pump, a heater and some ROX0,8 activated charcoal. Some of my most delicate acros like a Jackelinae, echinatas, ciphrastrea... died soon after; there are still some alive but not sure about them). The other 20% isn't sterilized and is sitting in another tank with the same water and dinos but oddly not showing signals of their existence.
Click to expand...

So there's a glimmer of hope for my corals then since some of your corals survived the freshwater dip? I have a few acros, really big leather, a nice half ball of acans, an Australian golden torch coral along with a Rbta that I am thinking about dipping in freshwater.

Montireef how did your fish fair? I'm assuming your corals and fishes are now in a hospital tank? How is it looking in there? Dino's rearing its head?
 
My fish are very stressed and bummed. Some corals seem to be doing well, but others are gonners (depends on how healthy and strong they were before de dip)
 
Bear in mind the coral and dino symbiosis when you dip in freshwater.
Of course it's a bad idea, but I understand those that give it a try.
 
DNA said:
Bear in mind the coral and dino symbiosis when you dip in freshwater.
Of course it's a bad idea, but I understand those that give it a try.
Click to expand...
Right, but as zooxanthela are under the skin I presume they are hardier, so a quick dip shouldn't kill them all.
 
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