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Old 08-11-2003, 10:44 PM   #11
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Re: More on brown algae

Originally Posted by bpeitzke
Our nitrate readings are holding steady at 5ppm. Water is city supply, not well. LFS guy told us not to worry, that all new tanks go through a brown algae phase in the 2-4 month time-frame. He said eventually it will be replaced by green algae, which more things eat.
For the most part what the LFS has told you is true but the algae growth and it's "staying" power will greatly depend on how pure the city water is. Most contain certain elements like phosphate, silicates and other contaminates not harmful to us really but are great fuel sources for unwanted algeas. If these levels are high (determined via testing) then the use of the above mentioned "sponges" would help.

We have only 5 snails; thinking of getting say 5 more. Are turbos or bumblebees good? If not, what? Don't want to get more of the astraea's, as they can't self-right, and are a PITA.
Agreed on the Astrea's . I personally wouldn't give 2Ę for them. Turbo snails can be a good choice but be aware they do get large and rather cumbersome. They can/will knock unsecured items over. Some different suggestions would be a good combination of >>nerites<< and >>cerith for algae control and some >>nassarius<< for the sand bed, detritus and uneaten foods. The bumblebee's are an attractive looking snail but are mainly carnivorous and will mainly stick to carion which will not help your problem.

Would macro-algaes help consume the phosphates and keep the tank in balance? Seems like they might add visual interest to the tank.
Macro algaes would indeed help quite a bit with improving water quality but you may wish to opt for a HOB refugium or a seperate smaller refugium connected to the main tank. Macros tend to get "embeded" easily in the system and can very quickly become a nuisance. They are much easier to control if seperate from the main tank.

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Old 08-12-2003, 01:47 PM   #12
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More about macro-algae

So macro-algae can spread like weeds? Hmmm - that would tend to defeat their ornamental aspect.

>>Refugium<< - some sort of separate, hidden tank, presumably with water circulated to/from main tank? We don't have room for one.

Are there any marine plants that are attractive, don't get out of control, and would thrive in our 40-gal SW FO/CC tank? I'm remembering the hassle we had trying plants in our old FW/goldfish tank, where they all gradually died off & clogged filter.

Appreciate advice.


- Bob

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Old 08-12-2003, 05:21 PM   #13
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i had the same problem (brown algae) with safeway distilled water. i added 25lbs LR from www.aquacon.com (excellent quality - but i had to go thru a mini cycle again) and switched to RO/DI from safeways. the bown alage burnt itself out and the skimmer took care of the rest. now the tank is fairly stable with accepatable levels of brown algae in spots.
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Old 08-12-2003, 05:52 PM   #14
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There are some slower growing macro algaes like brush and possibley maidens hair. The ones to avoid are mainly fern, grape and razor.

I think you should get some good responses if you post this in a new thread or do a forum search.

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algae, brown algae

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