Dinoflagelates. A disruptive treatment

saltyfins

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This is what I had and I beat it in 3 days.
It was getting all over everything and getting my corals pretty upset. It started in the sand and you cannot get rid of it. I let my diamond goby handle that, then it moved to the rocks and really got me mad.

I have about 90-100 gallons of water volume. My display is 3'x2'x12" tall 45 gallons. I have a decent sized refugium tank in back and a little below the display and a 36" sump too under the tank...just for mind-visual sake.

This stuff would look like it was almost gone every morning and then by lights out, it would be all over the place making bubble threads on my acros, covering my rock and sending me into borderline rage. No matter how many times I blasted it off the corals and rocks, it was back in a few minutes. So I sat and thought about it, read a million threads on it became discouraged, drank vodka and decided to just take up basketweaving instead.

I bought an icecap 27watt UV and plumbed it off my return manifold and feeding the refugium for simplicity sake. Don't worry about what type you got. You're gonna MAKE IT water-borne! :smiling-face-with-sunglasses:

So I started letting it accumulate throughout the day, that's right...let it build up over the day! Don't turn the lights off...give them what they want and let them proliferate... And I waited until about a minute or two before lights out, and then I struck. lol

Hit that stuff with a big old turkey baster real hard. go through the rock work several times and make it fly! Theres going to be a lot of stuff flying around in the water and it will look pretty bad. Don't worry...keep blasting! Make sure to turn your pumps up and yes if you have SPS corals they slime like crazy from it which is good because they're cleaning themselves. Don't worry about them they're fine. Anyway, you want that overflow to be pulling hard so turn those return pumps up! Once the lights go out and the suspended crap has mostly gone down the overflow for a while, give a dose of peroxide in the typical 1 ml-per10 gallon thingy. Now wait about 2 hours...you're going to have a lot of that dino crap in your filter bags if you have them and if you use "reef teepee" dispensers, you MAY go through a roll...I dunno. lol

Whether it's the waterborne type or not, you have to blast it good man! Get it in the water and out of the tank to the overflow...TO THE UV which in my case was set to a slow flow rate of about 100-110gph which i guess is kind of kill mode. I think this is pretty important.

After the 2 hours have gone by since the peroxide dose, take the filter socks out and scrub them good. Make them white again and put them back.

Not sure if it matters, but I always feed live phytoplankton at night before I go to bed, and I continued with that.
It may be a variable or not. I'm treating it as not deviating from my norm.

Go to bed dummy, it's 3 in the morning!;)

Observe the following morning. The first morning after for me was questionable, but as the day drew to a close, I noticed there were slightly less total accumulations...the second day was even less. I saw a few bubbles here and there. Yesterday, I didn't notice anything and today it can be said they're gone. I mean, nothing blows off the rocks at all. I'm blown away how clean the tank is. Now bear in mind, I did the SAME THING each night. I didn't start drinking beer and rocking out when I noticed less. It's not party time yet. I repeated the process each night.

Don't mess with your sand!!!! Worst thing you can do! Get a diamond goby if you don't have one now. He will do it for you properly without disturbing the bacteria and weakening the allies...you are not eliminating the dinos entirely by doing what I did it would be harder to do that...What you're doing is forcing their "army" down to a size that another army in your tank can now handle so to speak. You'll be killing a lot of it yourself, but ultimately the tank will take care of the rest.

Try it...but follow the directions...if you have a UV, peroxide and a turkey baster, it's free right?
If you dont have a UV, quit putzin around and get one. Any one with a halfway decent reef with corals and fish they care about should have one. I'm a believer.

I did not add any chemicals, I do not have carbon or gfo in my house at all, and my photoperiod has been tweaked (intensified) for BETTER coral growth, but never turned off. They say no white lights...well whatever! No blackout period. No water changes, no dosing changes, no nothing typically asked during chemical treatment.
No black bag over my tank. :grinning-face-with-smiling-eyes:

I'm not some expert elite reefer stud with a Marine Biology Degree here. I just know that if you kill a little more of something each day faster than it can recuperate, it will eventually DIE DIE DIE. And that is good good good! I don't know if one type of dino is more or less vulnerable to UV, but in my case the UV killed them, or they would have come right back like I repeated for a week before this like a helpless fanatic.

I am leaving the UV on duty for good because it seems like a good idea and I am also waiting on some Keys Live Mud for my fuge and Sand for my display from Florida Pets to increase the microdiversity in my tank. I think the reason this happened in my case is being an idiot who knows better and using fake rock instead of live rock, but that is only speculation. MOST of the tanks I see with this are fake rock tanks and that's usually where this stuff is the worst since there is no opposition to it.

Again, just try it and let me know how it works for you.


P.S. This shot has me PTSD-ing hard man...hehe. It's the "should I take all my sand out and start over?" look. :grinning-squinting-face:
No, don't do that...my sand is like new today. immaculate.

1708463998640.jpeg
Thank you for this! I am going to do this, I am fighting LCA and I have a Pentair 40 watt, that's just been sitting since I got the system, 2 years ago! lazy I guess...but it's going into the system! I dont like the idea of dosing waterglass...considering what that is... however...I have to do something. thanks for giving me hope!
 

DDenny

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Thank you for this! I am going to do this, I am fighting LCA and I have a Pentair 40 watt, that's just been sitting since I got the system, 2 years ago! lazy I guess...but it's going into the system! I dont like the idea of dosing waterglass...considering what that is... however...I have to do something. thanks for giving me hope!
LCA stays on the sand making a UV not effiecient at removing these Dino’s. I guess if you stir the sand and blew off the rocks in the evening to get them in the water column it could work. Have it run at night when they might be in the mood to move. Worth a shot in any case.
 

CBonito

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Thank you for this! I am going to do this, I am fighting LCA and I have a Pentair 40 watt, that's just been sitting since I got the system, 2 years ago! lazy I guess...but it's going into the system! I dont like the idea of dosing waterglass...considering what that is... however...I have to do something. thanks for giving me hope!
Go for it! I'm still free of them. Just repeat what I did. Let me know how it works.
Remember not to dose anything with trace elements while doing this. Nice thing is there is no need to do water changes to get chemicals out of your water afterwards...if you are even successful with that. Many are not.
 

CBonito

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LCA stays on the sand making a UV not effiecient at removing these Dino’s. I guess if you stir the sand and blew off the rocks in the evening to get them in the water column it could work. Have it run at night when they might be in the mood to move. Worth a shot in any case.
I have a diamond goby for that. Everyone SHOULD have one. The sand is no problem. You want it off the rocks though, that's why you HAVE TO blast the rocks real good at lights out and turn up all the circulation you have.
Get everything suspended and make a few passes across the tank. That is what gets it to the UV.

I mean, if it didn't work, I wouldn't jerk anyone around like that or waste time saying anything...I would still be busy looking at an ugly tank trying to figure out what to do. ;)

If you stay on it, it will work. The day after, you won't see much of a difference, but the second morning you will see a reduction. Just gotta follow the directions. Each little component I mentioned works together.
 
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Beuchat

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been carbon dosing for about 2 months now, I no longer have dinos on my rock but my sand is absolutely covered with prorocentrum. I am currently dosing 25ml of a sugar water solution nightly, 8ml of NP-Bacto balcance, and using plus-NP to raise nutrients when needed. I stopped seeing any improvement after about 2 weeks of dosing. I am considering stopping this and moving to other methods, I know I get a massive amount of bacteria blooming each night as my glass has a bacteria film in the mornings and my ph now drops to 7.7 at night, before carbon dosing it was 8.0 at night. I am also considering continuing with the carbon dosing and attempting to increase it, the only thing is that I am already over double the amount of carbon dosing that Tropic Marin says should be the MAX daily dose for my system. I do dose many different bottled bacterias to to add biodiversity. @Beuchat what do you think? Should I keep increasing my carbon dose? Would it be safe? Or should I try other methods at this point?
Hi, Try with TP Elimi-NP, it is stronger than NP-Bacto Balance and do not let nitrate or phosphate drop to indetectable
 

mforde

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This article was so helpful. I just wanted to say thank you to the authors and share my experience.
I've tried UV, blackouts, Dino X (not on this tank on a 32gal), manual removal and nothing worked. It got so bad it was effecting some equipment, smothered frags and I was going through a roll of fleece in my filter roller every 3-5 days. I followed this plan pretty close, dosing NoPox 1ml/100L for week, increased to 2ml/100L and then 3ml/100L. I added Nitrate and Phosphate to my ATO water to raise the N and P levels from 0. I guess it took about 2 months but things are all cleared up and everything looks (and smells) way better. This is picture I took this morning:
2026.06.05 - 3.jpg


Here it was a couple of months ago:
2024.04.06 - 1.jpg

2024.04.06 - 4.jpg
 

Ziggy17

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7 of them young aquaria lees than 1 year age


Dinos were not identified on the microscope, only visual identification. Regression of dinos was not equally in different cases, buy I think it depends on other factors, more than on species. Non of the aquaria developed cyano, but two of them developed hair algae. As we all know, frequently, when a dominant species is receding, it is swapped by a new one, as the biological niche is available
Sorry, I’m not sure I got this correct. You didn’t confirm the Dinos with a microscope, just visually identified the Dino’s with human eyes looking in the tank?
 

Ziggy17

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This is what I had and I beat it in 3 days.
It was getting all over everything and getting my corals pretty upset. It started in the sand and you cannot get rid of it. I let my diamond goby handle that, then it moved to the rocks and really got me mad.

I have about 90-100 gallons of water volume. My display is 3'x2'x12" tall 45 gallons. I have a decent sized refugium tank in back and a little below the display and a 36" sump too under the tank...just for mind-visual sake.

This stuff would look like it was almost gone every morning and then by lights out, it would be all over the place making bubble threads on my acros, covering my rock and sending me into borderline rage. No matter how many times I blasted it off the corals and rocks, it was back in a few minutes. So I sat and thought about it, read a million threads on it became discouraged, drank vodka and decided to just take up basketweaving instead.

I bought an icecap 27watt UV and plumbed it off my return manifold and feeding the refugium for simplicity sake. Don't worry about what type you got. You're gonna MAKE IT water-borne! :smiling-face-with-sunglasses:

So I started letting it accumulate throughout the day, that's right...let it build up over the day! Don't turn the lights off...give them what they want and let them proliferate... And I waited until about a minute or two before lights out, and then I struck. lol

Hit that stuff with a big old turkey baster real hard. go through the rock work several times and make it fly! Theres going to be a lot of stuff flying around in the water and it will look pretty bad. Don't worry...keep blasting! Make sure to turn your pumps up and yes if you have SPS corals they slime like crazy from it which is good because they're cleaning themselves. Don't worry about them they're fine. Anyway, you want that overflow to be pulling hard so turn those return pumps up! Once the lights go out and the suspended crap has mostly gone down the overflow for a while, give a dose of peroxide in the typical 1 ml-per10 gallon thingy. Now wait about 2 hours...you're going to have a lot of that dino crap in your filter bags if you have them and if you use "reef teepee" dispensers, you MAY go through a roll...I dunno. lol

Whether it's the waterborne type or not, you have to blast it good man! Get it in the water and out of the tank to the overflow...TO THE UV which in my case was set to a slow flow rate of about 100-110gph which i guess is kind of kill mode. I think this is pretty important.

After the 2 hours have gone by since the peroxide dose, take the filter socks out and scrub them good. Make them white again and put them back.

Not sure if it matters, but I always feed live phytoplankton at night before I go to bed, and I continued with that.
It may be a variable or not. I'm treating it as not deviating from my norm.

Go to bed dummy, it's 3 in the morning!;)

Observe the following morning. The first morning after for me was questionable, but as the day drew to a close, I noticed there were slightly less total accumulations...the second day was even less. I saw a few bubbles here and there. Yesterday, I didn't notice anything and today it can be said they're gone. I mean, nothing blows off the rocks at all. I'm blown away how clean the tank is. Now bear in mind, I did the SAME THING each night. I didn't start drinking beer and rocking out when I noticed less. It's not party time yet. I repeated the process each night.

Don't mess with your sand!!!! Worst thing you can do! Get a diamond goby if you don't have one now. He will do it for you properly without disturbing the bacteria and weakening the allies...you are not eliminating the dinos entirely by doing what I did it would be harder to do that...What you're doing is forcing their "army" down to a size that another army in your tank can now handle so to speak. You'll be killing a lot of it yourself, but ultimately the tank will take care of the rest.

Try it...but follow the directions...if you have a UV, peroxide and a turkey baster, it's free right?
If you dont have a UV, quit putzin around and get one. Any one with a halfway decent reef with corals and fish they care about should have one. I'm a believer.

I did not add any chemicals, I do not have carbon or gfo in my house at all, and my photoperiod has been tweaked (intensified) for BETTER coral growth, but never turned off. They say no white lights...well whatever! No blackout period. No water changes, no dosing changes, no nothing typically asked during chemical treatment.
No black bag over my tank. :grinning-face-with-smiling-eyes:

I'm not some expert elite reefer stud with a Marine Biology Degree here. I just know that if you kill a little more of something each day faster than it can recuperate, it will eventually DIE DIE DIE. And that is good good good! I don't know if one type of dino is more or less vulnerable to UV, but in my case the UV killed them, or they would have come right back like I repeated for a week before this like a helpless fanatic.

I am leaving the UV on duty for good because it seems like a good idea and I am also waiting on some Keys Live Mud for my fuge and Sand for my display from Florida Pets to increase the microdiversity in my tank. I think the reason this happened in my case is being an idiot who knows better and using fake rock instead of live rock, but that is only speculation. MOST of the tanks I see with this are fake rock tanks and that's usually where this stuff is the worst since there is no opposition to it.

Again, just try it and let me know how it works for you.


P.S. This shot has me PTSD-ing hard man...hehe. It's the "should I take all my sand out and start over?" look. :grinning-squinting-face:
No, don't do that...my sand is like new today. immaculate.

1708463998640.jpeg
UV will eliminate Ostreopsis and Coolia in 48-72 hours, but it doesn’t work for LCA SCA or Pro unfortunately. You can’t get them in the water column. They just nestle into the sandbed.
 
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Beuchat

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Sorry, I’m not sure I got this correct. You didn’t confirm the Dinos with a microscope, just visually identified the Dino’s with human eyes looking in the tank?
Hi Zoggy 17, dinos were confirmed under microscope but without the scientific identification of the species
 
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