What is this stuff?

kedabo

Member
Ever since my brittle star died
there has been this redish brown stuff forming on my live sand. Can anyone tell me what this might be and what to do about it? I can post pics if needed.
 

my way

Active Member
It sounds like a diatom bloom. If it is, it should go away in a week or so. Feep up wuth your water changes.
 

rustyj

Member
Originally Posted by kedabo
Ever since my brittle star died
there has been this redish brown stuff forming on my live sand. Can anyone tell me what this might be and what to do about it? I can post pics if needed.

It very well could be cyno bacteria which can appear reddish brown. Are there bubbles around or under it and is it a little slimy looking? If so you should try to physically remove it. It happens when phophates and nitrates get too high and in new tanks, esp when over feeding. If it were diatom and you had a 'clean up crew' than they should be able to take care of it. If your star fish was your clean up crew than you might want to consider picking up several hermi's and snails to take care of the algae blooms that you will have periodically.
 

kedabo

Member
Here is a pic sorry about the quality. I am feeding half a frozen mysis shrimp cube for my Perc and CBS.
 

payton 350

Member
it is most likely because the star isn't there to sift the sand around and it's lying dormant...most people have it but don't see it because their critters are sifting the sand around and it magically disappears....most likely gonna need another sand sifting creature in order to keep your sand sparkling again
 

my way

Active Member
Originally Posted by canisee2
My way i was thinking it was from over feeding?

A diatom bloom will occur even without over feeding on a new tank, it usually lasts about a week then as it dies off (I'm pretty sure it uses up the nutrients it needs and dies off, there are people on the boards much more knowledgable on this subject than I am, hopefully they will correct me if I'm wrong), then you will see green algea start to grow.
 

oceanists

Active Member
That it deff cyano .... increase flow ... water changes ... decrease photo period if all of that fails .... use red slime remover our Chemipure ..... but get a lawnmower blennie and be ready to fight a hair algea outbreak
 

ninjamini

Active Member
Decrease your lights. Take a couple weeks with 30% less light time and feed less food. Take away its nutrients and it will go away.
 

saltn00b

Active Member
take cyano as nature's way of telling you something is not right with your tank. the most common problem is not enough flow! you want to aim for 15x your tank in turn over from your main pump.
so double check your GPH's and make sure to include vertical height in your calculations, it makes all the difference.
that is your first thing you must check, but in the mean time, reduce the photo period, suction out what you can physically when you are doing the WC's, and check your levels. and reduce food to scarce rations
*** also, i want to add, it is always best to take these oppurtunites to fix the problem with your tank as opposed to masking it by trying to remedy the symptom with some chemical additive. if you can avoiud dosing your tank with chemicals, do it!
 
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