What is this and how do I make it go away?

mirabitok

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Hey I was wondering what this purplish pink growth on the rocks is? It's only there and a little bit more powdery looking stuff on the sand, thanks so much for your help
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On the rocks looks like cyanobacteria and on the sand could be the same thing or possibly a diatom bloom. Most new tanks go through the diatom bloom which is usually a browner color from my experience.

You can siphon out the cyano off the rocks pretty easily. Having the lights on for too long won't help get rid of it. There's only a little bit there doesn't look bad at all.

Just do a little research on cyanobacteria and diatom blooms and some other people will chip in here with some helpful info and tips on keeping it under control
 
I'd agree. I had an outbreak a few months ago. Siphon out since there's so little and adjust how long you have your lights on.


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I run T-5's so someone else would have to help with that. Just try not to disturb it when siphoning.


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Mirabitok;931872 wrote: Ok awesome, running LEDs how long would you recommend they stay on? Blues:whites?

Depends, I run my halides for 6 hours a day. Typically there is an underlying issue besides simply leaving the lights on too long. Too much nitrate, phosphates, etc.

I think that new tanks go through the diatom bloom in the sandbed because there are silicates in newer sand, which is basically a source of food for them. Would explain why it usually goes away on it's own, running out of food.

I had some bad cyano and I siphoned it out and did water changes until it went away completely.
 
JDavid;931879 wrote: Depends, I run my halides for 6 hours a day. Typically there is an underlying issue besides simply leaving the lights on too long. Too much nitrate, phosphates, etc.



I think that new tanks go through the diatom bloom in the sandbed because there are silicates in newer sand, which is basically a source of food for them. Would explain why it usually goes away on it's own, running out of food.



I had some bad cyano and I siphoned it out and did water changes until it went away completely.


+1 I forgot about all those **** water changes I had to do. LOL


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My mom picked up some weird chemical for the Cyanobacteria..... She doesn't know what she's doing so she decided to put it in. Well I HATE using chemicals but it got rid of all of it in 2 days and have never seen it sense. And all my corals and fish didn't seem to be bothered by it. It's like a powder substance. I will never use it again because I hate chemicals and don't like them. When I get back to my house tomorrow I'll have to take a look at the name.
 
Sounds like chemiclean. It works. But you need to keep an eye on everything and maybe out an air stone in for a few days. And do a water change.


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I was super skeptical adbout chemiclean, but used it on my work tank recently. I was very impressed with the results. Definitely follow the directions as I have heard terrible things happen if you don't. Up the oxygen exchange for sure and you should be fine using it.
 
Ok. Will I did a 40% water change that week I put it in. So I think I did good on it I guess.
 
also if you use chemi clean make sure to do a waterchange 2 days after you start the treatment. and if you're running a skimmer turn it off durring the treatment. but i wouldnt bother with it yet because it seems like your tank is still new and you will probably get rid of it after a while.
 
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