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  1. #1
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    Red Tide or What

    I have had some stuff that keeps covering the walls of my tank on top of my coralline algae. It doesn'r really grow on anything else. It varies between brow/rust and a crimson color. It has a texture similar to velvet. It is very very difficult to scape off. Here is a photo:
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    I have 20k metal halides and 420 power compacts. Water PARMS are good.

    Any Ideas would be appreciated





  2. #2
    Senior Member Arakkis's Avatar
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    it's a fuzzy algae, a good turbo snail will eat it

    or it could be bryopsis.. in which increase your Mg to over normal params to kill it
    Collector of the rare and weird. Still don't have a Sand Worm yet =)



  3. #3
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    bryopsis is green, right? I've got some turbos... Maybe I need need to fire.



  4. #4
    www.centralcoastreefclub. com Ace25's Avatar
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    Quote Originally Posted by Arakkis View Post
    it's a fuzzy algae, a good turbo snail will eat it

    or it could be bryopsis.. in which increase your Mg to over normal params to kill it
    Not quite that simple. Simply dosing Mag to 1500-2000 levels does not seem to have any effect on hair algae. It is something within Kent Tech-M when used to raise mag to close to 2000 that seems to kill it. Simply dosing Mag supplement from Bulkreefsupply or B-Ionic doesn't seem to have any effect on hair algae but I don't think that is what the OP has anyway.

    Turbo snails seem to get "lazy" after a few months and don't do nearly as much work as they do initially. I would toss in a couple new turbos and see how they act. It is a cheap way to try and solve it and if it doesn't you have a couple new cleaners anyway.



  5. #5
    Moderator greech's Avatar
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    Sounds like turf algae if it is more encrusting but soft. My recommendation would be a tuxedo urchin and some new turbos like Ace mentioned. Of course scraping the glass and siphoning it out would work too
    SG = 1.024-6; Alkalinity 8.3-9.3 dKH; Calcium 420; Magnesium 1300; Temp = 76 to 80; pH = 7.9-8.3. Alkalinity and calcium are dependent on Mg.

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