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Thread: Cyano or Diatom

  1. #1
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    Cyano or Diatom

    Can't figure out from reading what it is.
    It is brown, thought cyano is purple or red.
    But iit is gooy, blanket type covering.
    Tank was setup on Sept 21.

  2. #2
    Senior Member reefmutt's Avatar
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    sounds like diatoms- pretty normal in a new set up, however the fact that it is so thick and gooey makes me wonder about the quality of the set up water.
    What is your lighting and do you use an r.o. unit or bottled water, or simple tap water?
    Matt.

    Old system torn down to make a playroom.. planning a 62x42x28 high

  3. #3
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    Uh.........tap water.
    4 48" NO
    2 actinic
    2 PowerGlo


    I did ask a couple of others in Kingston about using tap water, they seem to have some success.
    can cyano be brown?
    or could it be "defaglettes"??? or something like that?

  4. #4
    Senior Member reefmutt's Avatar
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    It may clear up with time, but I gotta say, it is my opinion that one cannot have a succesfull LONGTERM reef using tap water. It may do fine for a while- even a year, but eventually, the phosphates, iron, chlorine and all the other crap in tap water will catch up with the system and it will fail. If you want your reef keeping experiance to be more pleasure than the pain of mysterious problems and frustration, do yourself the favor of getting an r.o. unit or use purified water. This is my advice- you don't have to take it, though.
    Cyano usually isn't brown.
    what you have is a nuisance algea/bacteria which is common in new setups. As I said, it may very well go away on it's own.
    Matt.

    Old system torn down to make a playroom.. planning a 62x42x28 high

  5. #5
    Senior Member reefsurfer's Avatar
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    I would do what Reefmutt sais. Sometimes you can even buy distiled water thats been filtered with worn out membranes and have that problem. I know I was having this same problem and Mutt suggested the r.o., it was a 350$ bucks well spent cause I stoped having "blanket" algea. :thumb:

  6. #6
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    Thanks for your reply.
    So given my present situationm, your recommendation would be?

    From know on all top ups and water changes should be RO or do i need to drain and start over(thinking long term)

  7. #7
    Senior Member CableGuy's Avatar
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    I would drain and refill, using RO/DI or distilled water. At the very least do a couple very large water changes using RO/DI or distilled water. There are too many bad things in tap water for our tanks. Don't risk using tap water alway's use RO/DI or distilled water.

    Colby
    "DREAM LIKE YOU'LL LIVE FOREVER, LIVE LIKE YOU'LL DIE TOMMOROW"

  8. #8
    Senior Member reefmutt's Avatar
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    the tank is so new, there will not have been a lot of buid up of crapola from tap water yet- start with pure water from now on- a few major w.c.s certainly will help, but a full tear down doesn't seem necessary, unless you still have next to nothing in the tank- then go for it. But if it is set up with fish and coral, just start now with pure water. It'll take a couple of monthes to clear out.
    Matt.

    Old system torn down to make a playroom.. planning a 62x42x28 high

  9. #9
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    Thanks for all the help.
    Is purchasing RO from Shoppers Drug Mart OK as i cannot make it myself.
    Shoukld i siphon as much of the gunk out of the sand and off rocks as I can?
    How much and often can i do the water changes.
    is 1/10 nightly too much, until i am able to get rid of this stuff.

  10. #10
    Senior Member ReefSalt's Avatar
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    You can get a good R/O on Ebay for 94$ from Aquasafe.
    here is the link,
    http://cgi.ebay.com/ws/eBayISAPI.dll...tem=4334962026
    HTH

    ReefSalt

    Before you buy anything......Read and Research .
    _________________________

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    265 gl SPS Reef. AquaScape Marco Rock 150lbs ( Upgrading to a 300gl Deep Dimension)
    Ecotech Radion Pro x 4 & Ecotech ReefLink
    Decante 75g
    Pompe de Remonte PCX55
    Reef Octopus SRO-5000SSS
    Reacteur Sulphur H&S Pour Nitrate
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