Another Dinoflagellates Experiment

ggNoRe

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Background: My system is right at 2 years old. It's been very problematic since the beginning. This is my 3rd bout with dinoflagellates. The first one was severe and I took the everything and the kitchen sink approach which took several months to battle and resulted in many coral casualties. The 2nd was minor and went away fairly easily it was somewhat of an aftershock shortly after the first battle was "won". Then I had almost a full year of a dino free tank. In that time my nutrients began to creep up more and more until I had 50 nitrates, 1.0 phosphates, and a hair algae bloom. To lower nutrients and combat algae I used vodka dosing and Rowaphos to slowly reduce back to more normal levels. Then I started to get what seemed to be cyano growing on the sand. After a month or 2 of trying to remove it through natural methods I decided to use Chemiclean. This is when I realized the matting on my sand was actually a combo of cyano and dinos which morphed into the latter after the chemiclean treatment. I proceeded to try to get rid of the dinos by turkey basting every night and periodically using ATM Colony bottled bacteria (which I still had from my first bout and quite possibly an expired batch). While this did a good job of keeping the dinos in check it did not stop them from re-growing everyday when the lights were on.

About my system (at start of experiment): 160G display, 40G sump, UV sterilizer in the sump, hybrid T5s and Reefbreeder's LEDs, filter pad, skimmer, .03 phosphates, 5 nitrates.

Plan: My plan is to use somewhat of a hybrid between Vetteguy's method, Elegant Corals Regimen, and my own influence. This comes out to first 2 days no lights other than natural sunlight (I have giant windows surrounding the tank). Day 3 no T5s and only blue leds at 75% of my normal settings. Then a slow ramp up from there based on progress or lack of.

Day 1 at night turkey baste, dose 10ml hydrogen peroxide 3%, leave UV sterilizer, fine micron filter pad, and skimmer on. In the morning remove filter pad, leaver skimmer, and UV off. Dose 20ml Microbacter 7, 20ml Dr Tim's Waste Away, 10ml priority carbon mix (80% vinegar, 20% vodka, with a dash of brown sugar).

Day 2 at night turkey baste, dose 10ml peroxide, stir 30% of sand. Skimmer, UV, and filter pad back online every night. No dosing.

Day 3 same regimen in the night. Morning dose 20ml Microbacter 20ml Waste Away 15ml carbon.

Day 4 and moving forward the same alternating routine with possible minor tweaks based on out come.

I will also test my nutrients frequently and dose neonitro or neophos when they begin to bottom out

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ggNoRe

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Day 2:
 

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ggNoRe

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Day 3 (first day with lights back on): So far no casualties and seemingly a good amount of progress. I tested at 4 nitrates (I had dosed neonitrate a couple times) and 0.00 phosphates so I dosed some neophos today. Also, I forgot to mention I did a heavy dose of silicates the first 3 nights as well. I finished the bottle I had so won't be dosing more going forward.
 

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Uncle99

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That’s a good plan to me. I’ve used that recipe to rid Dino’s and worked well except I don’t use the Hydrogen Peroxide, while it does remove Dino’s quickly, it will lower the good algaes and bacterium at the same time.
Provided system I has a solid chemistry, the good always seems to outcompete the bad. Adding phytoplankton feeds those good guys and stable waters provides the best environmental conditions. This speeds the process.
Then the pests are gone until the chemistry becomes out of whack.
 
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ggNoRe

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I did the same process in my 10G tank and the dinos in there are 100% gone will full lighting back on. This tank just has a HOB filter with no skimmer and no UV. I didn't dose and silicates in here since there is no sand. Unfortunately, I didn't take a before picture but there was some stringy brown bubbly stuff on the egg crate.
 

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EeyoreIsMySpiritAnimal

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Day 1 at night turkey baste, dose 10ml hydrogen peroxide 3%, leave UV sterilizer, fine micron filter pad, and skimmer on. In the morning remove filter pad, leaver skimmer, and UV off. Dose 20ml Microbacter 7, 20ml Dr Tim's Waste Away, 10ml priority carbon mix (80% vinegar, 20% vodka, with a dash of brown sugar).

Day 2 at night turkey baste, dose 10ml peroxide, stir 30% of sand. Skimmer, UV, and filter pad back online every night. No dosing.

Day 3 same regimen in the night. Morning dose 20ml Microbacter 20ml Waste Away 15ml carbon.

What is the rationale behind carbon dosing during this process? Won't this just exacerbate the low nutrient issue?
 
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ggNoRe

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What is the rationale behind carbon dosing during this process? Won't this just exacerbate the low nutrient issue?
The rationale is after clearing out as much dinoflagellates as possible in the night through basting, filtering, skimming, peroxiding (probably not a word lol), and uv sterilizing; then in the morning we are trying to make a "good bacteria" explosion! With a combo of the natural good bacteria already in the system, plus waste away, plus microbacter 7, plus the silicates/ diatoms, and the carbon to make them all multiply. Also, this is why I turn off skimmer and UV in hopes that all of this "good bacteria" multiplies in an extreme way. Just have to be careful as this will deplete oxygen and nutrients. That's why I am also dosing nitrates and phosphates accordingly and watching my PH and system carefully.
 
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ggNoRe

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Day 4: Lots of browning on sand but I assume this is a combination of diatoms, detritus, and algae and not dinos. This is because I did a very thorough toothbrushing of my rocks to try and clear out more hair algae. So far I don't see any matting or stringy bubbles but will watch carefully as I could be wrong.
 

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ggNoRe

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Day 5: I didn't add any peroxide or turkey baste last night. Also I turned my LEDs back to full power today including white spectrum but still no T5s. Considerable brown matting coming back. Looks like it won't be that easy unfortunately.
 

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ggNoRe

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Day 6: cleaned the sand bed last night and resumed full power lights today for the first time including T5s. It seems that about 80% of the browning on sand is now diatoms as it looks like dusting rather than silky mats. I'm pretty content with the results as of right now.
 

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ggNoRe

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Day 10: It's too late in the day and my lights are too blue for me to take good pictures but essentially all of this did not work. Really not much different than when I started 10 days ago. So it's time to switch it up.

Going to clean rocks and sand tonight. Then I'm going to do a water change tomorrow just because it's been a really long time since I've last done one. New plan is to do as little as possible for the next 10 days or so after that. Only intervening when I see dinos affecting corals. Got this method from Mereree on these forums. Skimmer on 24/7, UV on 24/7, as little intervention as possible with hopes the system sorts itself out on its own.
 
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ggNoRe

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I have not done a microscope ID so I can't be sure which type they are. That being said they are behaving like the type that mostly grow on the sand and are very stubborn.
 

bvanfish

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Probably LCA. I am dealing with the same. It seems like mine are going away after a month or so. I’ve been doing a bunch to stop them but nothing new that isn’t on the forums really
 

stoney7713

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I tried the peroxide dosing and it didn't help me. I was cleaning the rocks and sand daily, lights out 3 days then super low, dosing peroxide after lights out, dosing MB7 in the morning and had UV running. All I got was tips of my cloves eroding away. My nutrients bottomed out, so I did raise them first.

Raising the temperature, dosing carbon at night, MB7, along with cleaning, got rid of them. But any new sterile surface I add gets a small bout of dinos until other things take hold.

My sump and hoses and pipes have a very thick layer of biofilm on them now. Anytime I shut off my return and start it back up I get it blowing everywhere. But it seems to be a delicious tasty treat for my fish. They love it.

I really think it has to do with just getting the right microbs to take hold and out compete dinos.
 

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