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  1. #1
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    nitrates at 50????????

    How is this possible? Could it be because my skimmer was out of comission for 3 weeks? Is it dangerous? What should i do?

  2. #2
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    Re-test and confirm the reading. It it is really at 50 ... 50 is a BIG number even if it will not kill fish due to it usually building up slowly. I would do water changes and cut back on the feeding volume until you have changed out enough of the water to get that number down

  3. #3
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    i do 10g water changes weekly. Although i haven't tested my water in 1mo...i am wondering if this could be my skimmer? also, my open brain isn't looking good, could this be because of the nitrates?
    "The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
    - Albert Einstein (1879-1955)

  4. #4
    Senior Member tang_man_montreal's Avatar
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    Hey Mike,

    Nitrates will definately stress coral and inverts.
    Also, you should get your skimmer going ASAP.
    Reduce your feeding as OSD mentioned.

    Regarding your waterchanges... 10gal is not enough for a 135gal tank plus a 30 gal sump. That's less than 10%... It will have minimal effects on nitrate or anything.

    I would step up your waterchanges to about 25-30gal. Ideally, you want to change about 20%.
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  5. #5
    Senior Member volitan's Avatar
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    wouldnt 10 gallon weakly be the same as 40 gallons monthly..on 165 gallon volume...wich is probably less because of the rocks,Would this be enough?Not if you have nitrate problems but i mean normaly...with a skimmer
    Derik...

  6. #6
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    i got my new skimmer friday but it's way overskimming, i have the air intake low and same thing. I let the waste go straight back in the sump or else i would have a constant spill of water in my container. Hopefully it will settle soon. I am starting to really get aggravated. I will retest tonight and see what nitrates are at. My rocks take lots of volume, they could easily fill up a 70g tank.
    "The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
    - Albert Einstein (1879-1955)

  7. #7
    AC Partner MomRules's Avatar
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    Let's think about WC's for a minute. Pretend nitrates are red in colour. Your tank has high nitrates and is a deep red colour. So you take out 10 gallons ( say it is a 100 gallon tank) and pour in 10 gallons of clear water. Your water will still be very red because you have not diluted it very much. A week later you take out 10 more gallons of red water and pour in 10 gallons of clear. It won't change the colour very much, and you also have been adding nitrates all week so basically you are back where you started. Then you do it again the next week. Same thing. And the next. At the end of a month your tank will still be deep red.

    Now- instead- take out 40 gallons of red water and add 40 gallons of clear. Your tank will be pink. Get it?

    SO to dilute your nitrates you need to do as big a change as you can - all at once! It is much better to do two big changes than 6 little changes. HTH.
    Gail in Nova Scotia

  8. #8
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    ok i get it, any other ways?
    "The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
    - Albert Einstein (1879-1955)

  9. #9
    Senior Member tang_man_montreal's Avatar
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    Mike,
    No... The best cure for nitrates is waterchanges. Find the source of your nitrates as well, ie: not enough skimming, overfeeding, detritus accumulation, etc... and solve it.
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  10. #10
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    can my skimmer remove most of them?
    "The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
    - Albert Einstein (1879-1955)

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