Neon green

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Hi

My tanks live rock and substrate is starting to turn neon green. What could this be?
 
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WELCOME TO MASA BUD!!!



it could be a number of things.

1) how old is your tank

2) what are your nitrate levels (most likely cause)

3) do you use a skimmer.

4) what sort of bio load do u have

these are only just a few. if you give us a description of your tank and a few pics. the guys here will help you out chop chop!
 
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tank is still cycling. In its fourth week now. specs are as follows

34 gallon tank
skimmer
fluidized bed
2 X 10k 14w white flourescents
2 X 10k 14w blue flourescent
10 kg live rock
2 blue legged hermits
3 brittle stars

Livestock came with live rock. I have been topping up with RO water and never done a water change. never checked the nitrate level as yet.
 
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im no guru but i reckon that is to be expected in your 4th week Keyaam. So no worries about the tank turning green, it'll pass, but keep an eye on your livestock.
 
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hi keyaam

Welcome to MASA

tell me have you got your lighting on 24/7 or have you got it on
a time shift phase ?
 

Puppy

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If it's the green color i am thinking of it could be the first sign of coraline algae.
Can u post a close up pic of the liverock if possible so i can confirm.
 

jacquesb

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A very WARM welcome to MASA Keyaam!

I think that Puppy might be on the dot with his opinion. BUT - a picture/photo speaks a thousand words.....
so, please post a picture of what you are seeing as fluorescent green?
 
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Lights are on from 7am to 7pm. Will post a pic tomorrow. currently at work. Thanks for the help so far.
 

leslie hempel

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welcome
 
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Are these brittle stars still small? Isn't three a bit much for a tank still cycling?

BTW Welcome to the Forum...The Guru's on here really know there stuff!
 

jacquesb

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Occelaris - this would be difficult to answer. As we still don't really know exactly WHAT this is we are dealing with.

IF it is cyano, as Midasblenny suggested, then YES - the lighting period could be helping the cyano along (not causing it though - the cause of cyano is more likely due to high phosphates in the water due to the tank still cycling, or alternatively, due to over-feeding of the fish that was added a little bit pre-maturely)....

IF it is corralline algae, then this is just a stage of the cycling process that occurs naturally. I have seen "luminous green/fluorescent green" corralline algae before on my rocks, then soon after that the red/pink type corralline starts to grow.....
 

Puppy

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Yes it is the same color I had in mind ,it looks to me like the first stages of coralline growth.
I have noticed in many tanks I assist on and even in my own system that new liverock goes this color before it turns pink and then purple.
 
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so guys when your tank LR start cycling it turns this green, then
to a pink and finally to a purple colour? are these the colour stages
to cycling?
 

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