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Thread: algea

  1. #1
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    algea

    i got brun and purple algea all over my l.r and sand bed
    wath could be the probleme

  2. #2
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    It not "true" algae it is diatoms and they thrive on excess nitrates in the water column.They do even better in low flow areas of the tank. Good circulation and water changes is a good and easy way to control it. If it gets way out of hand siphon the bulk of it off the rock and substrate. Try not to suck up too much of your sand if that becomes necessary.
    Rob

  3. #3
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    tanks for your advise

  4. #4
    Senior Member steve666's Avatar
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    what water are you using for water changes ro/di, tap water?
    We need more Indians!

  5. #5
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    tap water

  6. #6
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    OK .. you need to get off the tap water. It is likely the main source of your current issue. I would suggest that you get your hands on a RO/DI water filtering unit because you have a 120 gallon tank to be topping up. If a RO/DI filter is out of reach then use store bough "distilled" water .. NOT spring water. you should also start working on purifying the water that is currently in the tank. You can use a high quality carbon and or a phosphate sponge. try to get and keep good circulation in there as well ... it will help a lot.
    Rob

  7. #7
    Senior Member CableGuy's Avatar
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    Yes, Exactly what Rob said
    Who knows what's in that tap water? there could be many things in the tap water causing your algea problems, silicates, phosphates, nitrates, are the main ones. I bet if you cleaned up the water that's in your tank and used only Ro/Di water from now on like Rob said, your algea would clear up in no time.

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

  8. #8
    Senior Member reefmutt's Avatar
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    Yup! Rob is on the money. The purple stuff is more likely cyanobacteria and the brown is diatoms- both of which LOVE tap water and low flow. Pure water is the only way to run a long term successfull reef.
    Matt.

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

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