algae Question

[darock73]

I have some white like algae on my LR ( Looks like dust ),
best way to describe it. Sorry no pics,
but parameters are OK except for nitrates.

api Test kit

PH- 8.2
ammonia 0ppm
No2- 0ppm
No3- 20ppm

 

[KathyC]

Does it look like this?
(pic swiped from an earlier post by pmoneyt..thxs!)

If so, it's a sponge..harmless & good, shows your tank is beginning to mature.
If not...let us know! A pic of yours would be most helpful

 

[darock73]

does'nt look like that, trying to upload pics,
but having a problem uploading them.
thanks for you help

 

[Killerdrgn]

Are you sure it looks like dust, and not a little more like dried grass?

 

[darock73]

I guess you can say that

 

[Killerdrgn]

Yeah I think I have the same thing in my 90, but I really have no clue what it is. Doesn't spread very fast though, and I haven't seen anything that would eat it either.

 

[KathyC]

Do you have a pic of it Killer, Darock is having some trouble uploading (he is working on that now though )

 

[ZANYMASTER]

Perhaps it's calcium or in excess of.Could also be detritus.Using Kalk?

 

[Killerdrgn]

I'm not with my 90 right now so I can't go take a picture. I can upload this weekend at best. And i'm sure it's not from an excess of calcium or anything, though it's wierd that it even grows in extremely low light conditions.
Edit: Let me check if I have any older photo's of it in my photobucket account.

 

[darock73]

Photos of my rock

Can Anyone determine whats on the rocks?

 

[KathyC]

Here's a bump for ya!
Anyone?

 

[Pedro Nuno Ferreira]

Can Anyone determine whats on the rocks?

Hi darock
I do not have access to the photograph on the left as Hal 9000 tels me I do not have permission to access that page. From what I could see on the photograph on the right side, it looks to be Turf algae, both green and dusty looking algae, please have a look here and here or what's left of them as far as the white like algae looking like dust are concerned, have a look here also

Filamentous Algae or Turf Algae Filamentous or "turf algae" prefers habitats with good light conditions and relatively high nutrients. It can be found predominantly on the reef flat and in lagoons during the warmer months of the year. This may act as an efficient nutrient "sink" as turf algae converts nutrients into biomass. However, during high nutrient periods algal growth can outstrip algae consumption by herbivores and reef areas will become overgrown. This can result in localised eutrophication and permanent changes in the reef community.

If in fact I didn't mistakenly identify the algae in question, then basically this kind of situation happens when your nitrates are high, for instance in consequence of over feeding, high biological load, bad skimming, etc...all leading to high organic load.



Cheers
Pedro Nuno ;-)