Brown slime all over tank

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Hi all, need some help!

I was hoping you'd be able to help me identify this brown slime I've been battling for the past few months.

My parameters are (salifert):
NO3 0
Po4 0
KH 8.3
Ca 420
Mag 1250

Its also worth mentioning that I started using nopox and rowaphos about a year a go, but the problem had only occured 4 months ago.
I tried filtering the water through a filter sock but found that most of the brown particles would remain in the filtered water.
I also considered silicates but my RO tds reads at zero and is regularly maintained.
Any help would be greatly appreciated

Mol_PMB

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Reply #1

To me this appears to be dinoflagellates, which I have suffered from in the past.
What corals and fish do you have?


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Carol

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Reply #2

Yes , um ,what make of test kits do you use? Sorry just re read that ,salifert for all of them?
Last Edit: Sep 21, 2016 5:55:42 pm by Carol

tsalicran

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Reply #3

To me this appears to be dinoflagellates, which I have suffered from in the past.
What corals and fish do you have?

The display tank is fish only, but it is also connected to a small frag tank full of SPS corals which are doing great.
And yes Salifert for all tests.

Carol

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Reply #4

I can see what looks like one of those wave bars? What else have you got for in tank circulation? Is it possible to see a whole tank shot!

Mol_PMB

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Reply #5

The best way to beat dinoflagellates is with a total blackout (not just lights off but tank covered up too) for 10 days or so, together with heavy skimming - dosing KZ coral snow can help too, as it clumps the brown crud together so it can be skimmed out better.

Also, what salt are you using? I found that switching from an evaporated salt to a synthetic salt helped too.


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Marty

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Reply #6

If it was Dinoflagellates I would also expect to see it in the SPS tank as they are linked didn't you say ?

Steve's Marines

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Reply #7

Looks to me like excessive nutrients, maybe you are getting false readings, increase water changes and see if it goes away. Also how old and what lights are you using?  If T5 bulbs might need changing.
There's a fine line between success and failure like there's a difference between surviving and thriving and we are all striving for a thriving success.

tsalicran

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Reply #8

I can see what looks like one of those wave bars? What else have you got for in tank circulation? Is it possible to see a whole tank shot!

There is a second wavemaker on the other end of the tank. I've tried putting both wavemakers on full power but it causes the sand to stir and the water almost splashes out of the tank. I will try and take a picture of the whole tank (girlfriend moved in so there is a lot of clutter).

The best way to beat dinoflagellates is with a total blackout (not just lights off but tank covered up too) for 10 days or so, together with heavy skimming - dosing KZ coral snow can help too, as it clumps the brown crud together so it can be skimmed out better.

Also, what salt are you using? I found that switching from an evaporated salt to a synthetic salt helped too.


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Im using D&D pro salt, I must admit I haven't considered that at all.. food for thought :)

If it was Dinoflagellates I would also expect to see it in the SPS tank as they are linked didn't you say ?

Oh yes extremely visible in both the main display and the coral tank.

Looks to me like excessive nutrients, maybe you are getting false readings, increase water changes and see if it goes away. Also how old and what lights are you using?  If T5 bulbs might need changing.

Im using a 2 year old maxspect razor on both the display and coral tanks. I'm doing a waterchange once every couple of weeks. In the past I have tried doing more waterchanges but it never seemed to help, syphoning it also didn't seem to help as it normally comes back within an hour or so.

Marty

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Reply #9

If your DT is FOWLR then as Paul said a complete black out and leave it blacked out.

On the coral tank give it a 3 day black out providing you don't have SPS in there and then after the 3rd day use Dino X this is 100% safe with all corals including SPS however inverts like shrimps ect may perish so if you have them get LFS to look after them or a fellow reefer.

Dino X treatment is a 30 day / 1 month course and no waterchanges in that time so do some hefty changes beforehand as your biological system will have to work hard with no water changes. Also skim very wet.

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