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So the brown stuff I’m seeing is Dinos ?A lot of R2R members feel that running zero nitrate and/or phosphate invites dinoflagellates. I'd suggest increasing those levels.
Good luck!
To hard to tell by the picturesSo the brown stuff I’m seeing is Dinos ?
That's not always an easy diagnosis from just looking at pics, but my guess would be yes. I don't see Green Hair Algae (GHA), though if your tank is new you may also be seeing some diatoms in there too.So the brown stuff I’m seeing is Dinos ?

Is there a way I could get a for sure ID?To hard to tell by the picturesSo the brown stuff I’m seeing is Dinos ?
Okay thanks! Do you have a recommended treatment plan for those? Or would raising my nutrients fix it?That's not always an easy diagnosis from just looking at pics, but my guess would be yes. I don't see Green Hair Algae (GHA), though if your tank is new you may also be seeing some diatoms in there too.So the brown stuff I’m seeing is Dinos ?
Either way, Dinos, I believe, are the much more difficult pest to deal with out of pretty much all the options, so I'd try to address the Dinos as a priority![]()
A good way to ID Dino's is with a microscope. Some say that different Dino's require different tactics, and it's best to first identify what you have growing. Honestly, a $30 kids microscope from a toy store is all you need for this. But there are more general ways to beat back these nasties, though it may take some time.Is there a way I could get a for sure ID?
Great, thank you!Microscope and an id of species
Perfect, buying a microscope is the first thing on my agenda for tomorrow. Thanks again!A good way to ID Dino's is with a microscope. Some say that different Dino's require different tactics, and it's best to first identify what you have growing. Honestly, a $30 kids microscope from a toy store is all you need for this. But there are more general ways to beat back these nasties, though it may take some time.Is there a way I could get a for sure ID?
Yes, many believe that bottoming out (running at zero) your nitrate and/or phosphate invites Dions. I would look into raising both of those values, that's good for coral health too, if you have or want corals.
Raising nutrients is first step. Opportunistic algae’s thrive when desirables are nutrient limited. The second step is scheduled husbandry like vacuum sand-bed during partial water changes.Okay thanks! Do you have a recommended treatment plan for those? Or would raising my nutrients fix it?
Okay, thank you. I originally started with live rock and live sand but added some dry rock to expand my aquascape. I cycled the tank using dr Tim’s ammonia and microbacter7. I never added any pods, which my LFS said I should’ve added those.Raising nutrients is first step. Opportunistic algae’s thrive when desirables are nutrient limited. The second step is scheduled husbandry like vacuum sand-bed during partial water changes.Okay thanks! Do you have a recommended treatment plan for those? Or would raising my nutrients fix it?
In looking at your pictures, I assume you started tank with dry sand & dry rock and used bacteria in a bottle. For long range sustainability, consider inoculating your system with diver collected live rock and while at it, build up your clean up crew of janitors.
@seaturtletom4
If you want detailed help, then detail how you cycled your 6 month new tank.
Also, consider starting a tank journal in members tank forum.
Please define what you call live rock and live sand. What was your source for the live sand and live rock. Details matter!Okay, thank you. I originally started with live rock and live sand but added some dry rock to expand my aquascape. I cycled the tank using dr Tim’s ammonia and microbacter7. I never added any pods, which my LFS said I should’ve added those.
I checked under the microscope earlier, there is hair algae along with the presence of Dino’s.