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Interesting update from post 2979 .
Found something I was totally unexpecting to find.
DNA's comment on UV not working on Ostreopis is what lead me to look under the scope again since starting to use UV sterilization just to reconfirm i have Ostreopsis. Maybe I had two types of dinos and didn't know it. That turned out to be the case but not as I expected.
After looking under the scope for about 2 hours today, I found no traces at all of Ostreopsis. Ostreopsis is all i ever saw before installing UV so i never checked after they initially got under control. That seed looking Dino with tetherball motion that I described about in my previous posts is no longer there. These other dinos that I have now are more round and there swimming motion is nothing like the tetherball. This new dinoflagellate has more of a burst swimming motion in no particular pattern.
As I stated before my return pump broke and my UV sterilizer along with all my other equipment in my sump was offline for 4 days or so and dinos expectedly grew. After I got my return pump in I did a three day lights out with UV. When the lights came back on Dino's did get knocked back quite a bit but nowhere near as the first go round when I absolutely knew for sure it was Ostreopsis. This new Dinoflagellate as I stated in my previous post is only a dusting and has never made any strings since UV was sinstalled.
So in an unexpected result slow flow UV killed my Osteopsis and now another type has taken its place and seems to not make strings and stay more on the sand. Even when my return pump was out i never saw strings just heavy dusting.
So just a heads up... if you havent looked under the scope in a while it might be valuable info to take a recent look.
If i ever set up a youtube account ill post the videos
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