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Kinda like an Amphidinium, but not sure. @taricha?
thanks for sending this over. I had previously looked at this document and believe Large Cell Amphidian is what is in the photo I shared. Just wanted to confirm. They definitely look like it and they do in fact move like a Roomba vacuum.
Taricha, thanks for the confirmation.agreed. large cell amphidinium.
Dealing with dinos and from what I can tell this type. I can't get a good 400x photo with my phone from the microscope but what I see structure wise they are the same. I appreciate the information as well. Will be out of town for the next couple of days but when I return on the 14th going to get to siphoning out the sand bed top layer and blowing off the rocks like you said. only have a few zoas at the moment and a couple of fish so will turn the lights out for 5 days as well. Finally got nutrient levels up nitrates 2 and PO4 is at .095. I have a small 3w green machine UV going but its probably too small for this 25g lagoon tank. Changing out filter socks every other day at the moment as well.Yes on large cell amphidium. As I mention to others, its biological deficiencies that are causing the dino structure and to stop them in their tracks, no light is first key followed by the addition of bacteria to overcome the bad bacteria allowing them to thrive
Prepare by starting by blowing this stuff loose with a turkey baster and siphon up loose particles. Turn lights off (at least white and run blue at 10% IF you have light dependant corals such as SPS) for 5 days and at night dose 1ml of 3% hydrogen peroxide per 10 gallons for all 5 nights which works as an oxidizer. If you dont have light dependent coral- turn all lights off. During the day dose 1ml of liquid bacteria (such as micro bacter 7 or XLM) per 10 gallons. Clean filters daily and DO NOT FEED AMINO OR ADD NOPOX which is food for dinos, however you can feed coral, food which will help no3 and po4 to increase. If increasing nutrients, try to keep no3 to about 5 until you are done battling these cells.
Doing a daily siphoning will help greatly But . . . . . Siphoning will reduce nutrients , so siphon the water into/through a filter sock and save the water and return it back to tank. Obviously clean the filter sock each time.
You can feed fish as normal and if doing blackout, ambient light in room will work for them
So quick question on fighting Large Cell Amphidinium. I am dosing Silicates and raising nitrate / phosphates per instructions.agreed. large cell amphidinium.
Large cell amphidinium generally go down into the sand during hours of darkness. And when I held some in a container in a dark drawer for 7 to 10 days, they were still alive and swimming actively, though they lost most of their photosynthetic pigment and became nearly clear. So people may think the sand looks better as the photosynthetic organism gets lighter, but they seem happy to live heterotrophically (eating stuff) for that time period rather than needing light every day.There seems to be a difference of opinion of also turning lights off for 3-5 days and dosing H.P. at night during the 5 days.
So quick question on fighting Large Cell Amphidinium. I am dosing Silicates and raising nitrate / phosphates per instructions.
There seems to be a difference of opinion of also turning lights off for 3-5 days and dosing H.P. at night during the 5 days. What results have others seen with this lights off approach? Does it help, does it shorten the battle? Curious to get other folks feedback on this approach...thanks!