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diatom algae problem
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FloridaBoy
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Joined: 04 Jul 2004

PostPosted: 2008.10.02(Thu)11:06    Post subject: Reply with quote

Hmm, well I do not consider snails to be postponing anything, more like controllers, the same as your water changes, skimming, etc.

Do you change water to postpone something? No, in the end---all of this is part of controlling the overall health of the tank. Still, I understand wanting to find the source.

Do you guys know what this algae is living on?

Wish I could help you more, I've never had a big problem with this stuff, but I do believe diatoms need lots of silicates to survive.

It's a shot in the dark, but as I understand it some marine salt can add unwanted silicates to the water, try switching brands, see what happens... I do wish you the best of success.
http://saltwater-aquarium-guide.net/diatoms-algae
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Dusko
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Joined: 13 Feb 2006
Location: Denmark

PostPosted: 2008.10.02(Thu)13:16    Post subject: Reply with quote

I still have a feeling that this might be some kind of colonial protozoa (snails might eat it but not sure).
The best is to post a photo over at http://www.reefcentral.com/ they might give the answer.
If you do it please come back to us with the result Smile Thanks
It would be good knowing what this golden "algae" is.

If your KH is 11dH then boosting up your Ca could give some good results.

Dusko
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FloridaBoy
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PostPosted: 2008.10.02(Thu)15:43    Post subject: Reply with quote

Dusko wrote:
I still have a feeling that this might be some kind of colonial protozoa (snails might eat it but not sure).


I thought we already confirmed the answer to that...

Sacrophyton wrote:
...my snails consume it with an appetite.

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Dusko
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PostPosted: 2008.10.03(Fri)1:49    Post subject: Reply with quote

@ FloridaBoy

I know he stated that his snails are eating that "algae" he has. Smile

But we still are not sure it is an algae, it could also be some sort of a colonial protozoan and I personally never observed the snails eating such protozoan.
In a case this is a protozoa (but we don't know that yet) we would have a proof that snails are eating it. I would appreciate someone ID-ing this organism, and reefcentral.com is a good place for that IMO.

Regards, Dusko
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FloridaBoy
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PostPosted: 2008.10.03(Fri)6:23    Post subject: Reply with quote

Good point. I would be interested to hear what they say...
I can't find a lot of web articles on colonial protozoans in marine aquaria.

Interestingly, some suggest that soluble silica does not, in fact, increase diatom growth in reef tanks. Here is an interesting article...
http://www.advancedaquarist.com/issues/jan2003/feature.htm
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Sacrophyton
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Joined: 05 May 2007

PostPosted: 2008.10.18(Sat)20:56    Post subject: Reply with quote

OK, a couple of updates. the people at reefcentral said; more water flow, and reduce silicates. in other words, nothing new... here's a picture of the algae, just in case I've mis-identified it.

Floridaboy; I see your point, snails do control the amount, but only to a certain extent... I'd prefer to find the source that is giving the algae it's nutrients. Oh, and I got a new sump (used) that is a refugium. A friend of mine has a ton of macro-algae, so I can get a refugium up and running as well... do you guys have any advice starting it up?
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FloridaBoy
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PostPosted: 2008.10.19(Sun)6:02    Post subject: Reply with quote

So did RC identify it as algae or protozoa?
Your water looks a bit cloudy... or is that just me.
As I said before, the source might be your salt.
Meanwhile, I would throw a Sally Lightfoot crab in there and see what happens to that meadow. Laughing
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Sacrophyton
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PostPosted: 2008.10.19(Sun)20:07    Post subject: Reply with quote

lol... RC didn't reply after I posted the picture, so I have no idea. I haven't done a water change for about 2 months, sooooo... I doubt the salt is the problem. My water is fine, my camera lense has been getting dirty. Anyway, the growth rate of the algae is slowing, and I got the refugium up and going, which should take away any excess nutrients.
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