Dinos, Cyano, Diatoms? Confused!

mossimo654

New member
Hi all,

My tank finished cycling a few days ago. I have 0ammonia, 0 nitrite, 5ppm nitrate, and close to 0 phosphate.

Towards the end of my cycle I started getting the "new tank uglies." After researching a bit I realized that this was diatoms. They took over some live rock and some of the sand, but I didn't pay too much attention to it since it's supposed to be normal.

However starting two days ago, I noticed that there were some "air bubbles" floating on top of the algae. They started to proliferate until today, where they're ALL over my tank! I'm afraid that this is dinoflagellates. I've attached two pictures that are fairly indicative of what they look like.

When I rub them with my fingers the air bubbles stay intact and float around my tank, and the pieces of algae stick together and float around. They don't feel like mucous which makes me hopeful that it's not Dinos, but I really don't know!

This has inspired me to invest in a cleanup crew (was going to wait... but it's cycled so might as well).

Check out these pics

<iframe class="imgur-album" width="100%" height="550" frameborder="0" src="//imgur.com/a/CXd0B/embed"></iframe>
 
Fastest way to determine if they're dinos can be found here. I did this test and my "clear water" coagulated together into a brown slime ball much like his second photo.
 
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