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For Amphidiniums i would dose waterglass/sodium silicate induce a diatom bloom too outcompete themBump.
Did we ever conclude Ulva helps beat Dinos? I am dealing with Amph. Dinos currently.
So far dirty method is helping but very slowly.
Well they came back and i didn't have any ulva on the system. Now that i have a uv sterilizer on the system the dinos are gone. However when i had ulva and increased nutrients i noticed dinos dissapeared quickly. But when i tried again without ulva and raising nutrients, they didnt decrease at all. I find the tipping point for dinos going away is when hair algae comes back.I think this thread might be worth a bump. I know it's a couple years old and 100+ posts, but re-reading it, there were very few who tried it with microscope confirmed dinos and successfully growing fresh ulva - which was the most effective according to research.
@Cory what were your thoughts / observations on this? I know your dinos came back more recently than your posts here.
@Dan_P was seeing a weird clearing around his ulva growth that reminded me of this thread.
(also maybe this thread should hang out in the nuisance algae forum?)
The fuzzy stuff on the screen is what I’ll call a slime ecosystem. This is diverse ecology. There are samples one might be tempted to classify as a diatom mat, in another a bacterial mat and yet another a waste mat, all sorts of discarded exoskeletons and nematodes. Whatever the basis is for this mess, it does not seem to take hold near the compartment Ulva. It is a very interesting observation but not sure how to exploit it. The effect might be too short range to be of use.Potential demonstration of Ulva allelopathy. Plastic mesh on left covered with growth, right side clean as a whistle. A Garcilaria species on the left, Ulva on the right. I have not characterized the growth on the mesh. Will update when I do. By the way, possible allelopathy up close to the Garcilaria clump.
This is definitely Dinos lolI'm not sure those are examples of dinoflagellets cory. dinoflagellets are unicellular, phytoplankton. Typically smaller than diatoms