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They are on the sand, lower part of the glass of the tank by the sand, and stringy partially on the sand, but stringy all over the rocks. The above pictures and video have stringy appendages all over the rock, and the sample is from that.Lol. Their shape does look like large cell. Hard to see their beak. If they are only on your sand they definitely are. The treatment protocol is pretty simple. For sand dwelling, dose silicate (water glass) until you see diatoms under the scope then keep going until you don’t see any more dinos. Also raise nitrate and phosphate and test to make sure they stay elevated with reliable testers. For rock dwelling ones that make strings, strong UV with pump and return directly in the display, then a couple days blackout to get as many of them swimming as you can.
I haven't done any silica yet and this is the first I've heard it SpongExcel, but that makes sense as a competitor. I could look into that as an option.Yeah they definitely move like them and have the shape. Have you dosed any water glass or SpongExcel to get silica up? You need a competitor when raising N and P or else they are gonna feast on it. Or you could turn off the lights and leave it in the dark for 3-4 weeks. Or DinoX
I said that UV sterilizer was cost prohibitive before, but I did just learn about the green killing machine. Intense name, but it's cheap enough. If you think it's worth it, I can give that a go after DinoX if that fails. The UV stuff I saw before was pretty insanely expensive, I'd memory serves.Dino-X is an algaecide that supposedly specifically targets dinoflagellates I think. I probably wouldn't use it with corals but since you don't have any, it might work.
How do you define it they are swimmers? Based off of movement under a microscope or something else? I can move the wave maker to hit the rock and put it at full blast, worst case I guess to knock them around maybe.Not sure it would work or not if these are large cell they aren’t really swimmers but in a tank that small they may have to be if the current is strong enough
I wonder if I had two different types? Previously, I had super longer strands that engulfed my entire tank. They are starting to come back similarly, but I suppose that in general, UV couldn't hurt. I'll blackout the tank for a while, UV it up, scrub the green hair algae off of one of my offending rocks, and hope for the best. I'll try Dino X after that, and if that doesn't work, nuke it from orbit. Appreciate all of your input The Don!By type. I don’t think these are swimmers. Unless you scope some that are on the rocks and you see different shapes. Large cell stay near the sand because they go down in it at night. The type that form the longer strings tend to swim at night so that’s when you hit them with UV.
Thanks! I'm assuming that blackout and UV would still be a fine method of elimination?these are prorocentrum.
decently effective. Not 100%, but usually helpful.Thanks! I'm assuming that blackout and UV would still be a fine method of elimination?
I said that UV sterilizer was cost prohibitive before, but I did just learn about the green killing machine. Intense name, but it's cheap enough. If you think it's worth it, I can give that a go after DinoX if that fails. The UV stuff I saw before was pretty insanely expensive, I'd memory serves.
Yeah, I think it all depends on the type.People with dinos say the green killing machine hasn't worked well on dinos. People have had much better luck with other UV filters.
After I got new corals, 2 days later they came back. They've started attaching to my coral and have also attached to the GHA that's appeared all over the rocks. It seems like a crazy imbalance to have dinos crawling on the algae on the rocks. Is silica + nitrates/phosphates the answer still? The wave maker is blowing the algae around with the dinos hanging on them, but they aren't blowing away, they're super sticky.these are prorocentrum.