Nuisance Algae (including bacteria)

Post thread

Need help with nuisance algae, cyanobacteria, or dinoflagellates? Maybe you just need an ID of what you have in your tank? This is the section for you.

Filters

Dino ID help, Please!

Replies: 17

Views: 563

Feb 21, 2023

JKSmith

Is this Dino’s?

Replies: 4

Views: 343

Feb 20, 2023

Lps_lover12

Green Cyano?

2 3

Replies: 43

Views: 17,585

Feb 20, 2023

CoralB

Which algea do I have?

Replies: 5

Views: 360

Feb 20, 2023

bromikke

GHA / Debersia ID

Replies: 10

Views: 707

Feb 20, 2023

Edgecrusher28

Is this coralline algae?

Replies: 2

Views: 169

Feb 20, 2023

KING KONG

Algae bloom

Replies: 5

Views: 586

Feb 20, 2023

Zos4me

Aggressive ulva, need some help

Replies: 1

Views: 254

Feb 20, 2023

Spare time

Any ideas what this is??

Replies: 5

Views: 286

Feb 19, 2023

GoBlue78

What algae is this?

Replies: 3

Views: 328

Feb 19, 2023

vetteguy53081

Algae Identification?

Replies: 3

Views: 338

Feb 18, 2023

rob taft

Brown Stringy Slime

Replies: 23

Views: 1,153

Feb 18, 2023

Chortanator

Need help with alage

Replies: 5

Views: 206

Feb 18, 2023

Lavey29

Is this Cyano?

Replies: 17

Views: 476

Feb 18, 2023

Yates273

Confirmed ostreopsis and UV steralizer is doing nothing to help

2 3

Replies: 42

Views: 1,975

Feb 18, 2023

BetterJake

ALEGA ID

Replies: 4

Views: 175

Feb 18, 2023

lenin287

What am I dealing with?

Replies: 2

Views: 210

Feb 17, 2023

Jason Scalise

What algae is this?

Replies: 2

Views: 193

Feb 17, 2023

I never finish anythi

Brown cyano ?

Replies: 5

Views: 415

Feb 16, 2023

Troylee

How to Beat Dinoflagellates once and for all by julian sprung

2 3 4

Replies: 63

Views: 14,365

Feb 16, 2023

brandon429

Nuisance Algae (including bacteria)

Show only:

Managing real reef risks: Do you pay attention to the dangers in your tank?

I pay a lot of attention to reef risks.

I pay a bit of attention to reef risks.

I pay minimal attention to reef risks.

I pay no attention to reef risks.

Other.