Cyano or Dino??

[HawaiianReef]

I'm battling an outbreak of one or the other right now.
So, if the slime that shows up in the day (lights on) recedes at night (lights off), then its Dino? And Cyano won't recede?

David

 

[Thomas Danho]

I'm battling an outbreak of one or the other right now.
So, if the slime that shows up in the day (lights on) recedes at night (lights off), then its Dino? And Cyano won't recede?

David

It is really hard to tell without a picture. I can normally Identify them.
Post a photo.

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[ScottR]

I'm battling an outbreak of one or the other right now.
So, if the slime that shows up in the day (lights on) recedes at night (lights off), then its Dino? And Cyano won't recede?

David

Dinos almost completely disappear when lights are off. Cyano looks like a red slime and can still be seen after the lights are off. A picture will help and looking under a cheap microscope is better.

 

[taricha]

So, if the slime that shows up in the day (lights on) recedes at night (lights off), then its Dino? And Cyano won't recede?

the disappearing act is usually stronger with dinos, but cyano lightens up during night as well (goes into sand) in fact, I recently ran across a paper documenting how different species of diatoms go down into the sand at night - though in the hobby we don't usually observe that, so I'm guessing it's not as strong. Apparently this is a behavior that's really widespread among benthic photosynthetic organisms.
So it's not actually a definitive sign one way or another (though I guess more likely to be a dino trait)

 

[DE FISH]

Sounding like Dino need pics maybe a pic under a scope if possible ?