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Old 04-13-2014, 04:24 PM   #11
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No. Any tank get diatoms. Nuisance Diatoms and Diatoms are different though. I've never dealt with them, so I can't give input there.
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Old 04-13-2014, 04:51 PM   #12
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Ok cheers will read up and see what can find.
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Old 04-13-2014, 10:00 PM   #13
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Can bD tap water cause this even though a conditioner is used bc i have the same problem but on on all my rock
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Old 04-13-2014, 10:00 PM   #14
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I meant to put bad tap water sorry
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Old 04-14-2014, 05:58 AM   #15
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I would say yes as tap waters got lots of phosphates and nitrates, best to get some ro water to do water changes
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Old 04-14-2014, 01:41 PM   #16
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It look like a kind of dinoflagellates... Take a turkey baster, and blast the rocks...

Little-matter isf it's diatoms or dinos, starve it, by reducing nitrates and phosphates near 0. Try to run GFO, and GAC if possible... Use RODI water when you do water changes, make more water changes to lower nutrients, vodka dosing start to work well on my tank for fighting hard to get rid dinos.

Blasting (spray.... I don't know the word in english) rocks with a turkey baster once per day, you should see white crap coming out from rocks, these release PO4 and NO3... That is detritus, dead exoskeletons, limestone, nitrates, and fish poo. Make sure you run the protein skimmer while doing this. Clean the filter sock often too...

Give a shot of turkey baster straight before a water change, it should help too. If you have sand bed, try to vaccum it while doing a water change, you should have brown nasty water coming out from here.

I hope this helps.
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Old 04-14-2014, 02:45 PM   #17
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Quote:
Originally Posted by mrvincent View Post
It look like a kind of dinoflagellates... Take a turkey baster, and blast the rocks...

Little-matter isf it's diatoms or dinos, starve it, by reducing nitrates and phosphates near 0. Try to run GFO, and GAC if possible... Use RODI water when you do water changes, make more water changes to lower nutrients, vodka dosing start to work well on my tank for fighting hard to get rid dinos.

Blasting (spray.... I don't know the word in english) rocks with a turkey baster once per day, you should see white crap coming out from rocks, these release PO4 and NO3... That is detritus, dead exoskeletons, limestone, nitrates, and fish poo. Make sure you run the protein skimmer while doing this. Clean the filter sock often too...

Give a shot of turkey baster straight before a water change, it should help too. If you have sand bed, try to vaccum it while doing a water change, you should have brown nasty water coming out from here.

I hope this helps.

Thanks for info. I've tested phosphates and there now at zero so reactor must be working and nitrates at 10. Just done 15% wc and sucked up good bit of the algae and will do another tomorrow and leave for few days see if it's still grow then will start with bigger wc.
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Old 04-14-2014, 03:26 PM   #18
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I've got the same mess

Almost the same story. 125 gal tank up for more than a year. Thick brown Alger growing fast.

Covers everything. Very ugly

I upgraded my skimmer and it seems to be helping. I had a large clump of calerpa I was using to soak up nutrients and a few days after I upgraded skimmer and the calerpa is dying I removed what was left.

I've been doing lots of water changes and changing filter sock every day
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Old 04-14-2014, 03:42 PM   #19
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If it's dinos, it grow really really fast, and look like brown slime, sometime with bubbles on the algae. Turkey baster do really good job. Changing water won't do anything if the rocks keep releasing nutients...

Diatoms usually grow under phosphates conditions, dinos grow under any conditions. You must absolutely care about dinos if it's that, it's a toxic algae.
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Old 04-14-2014, 03:49 PM   #20
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It looks thicker than slime.

Almost like thick mats that are easy to blast off or siphon

Has bubbles

Best remedy?

My new skimmer seems to be helping
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