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nitrates are still at 5 after a week

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  1. clark12

    clark12 Member Member

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    not a bad thing, i know. but i do weekly 50% water changes and it seems like since i put in purigen my nitrates don't go very high. again not a bad thing, but I'm doing a water change tomorrow and I'm wondering should i knock it back a bit on gallons changed? 75 gal tank, 24 tiger barbs
     
  2. Dovah

    Dovah Well Known Member Member

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    Anything less than 50% per PWC doesn't make sense to me personally, regardless of your parameters.
     
  3. Aquaphobia

    Aquaphobia Fishlore Legend Member

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    Agreed. Water changes aren't just about bringing nitrates down. They're also important for replenishing minerals in the tank.
     
  4. clark12

    clark12 Member Member

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    i will stick with 50%. thanks. i have some diatoms starting to group up or colonize or whatever they do. any suggestions on that? i will scrub my rocks and heater tomorrow
     
  5. Aquaphobia

    Aquaphobia Fishlore Legend Member

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    How long has the tank been set up?
     
  6. Dovah

    Dovah Well Known Member Member

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    You have a gravel substrate?
     
  7. clark12

    clark12 Member Member

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    Location:
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    set up just over 2 months ago

    yes i do have gravel. about 2"
     
  8. Aquaphobia

    Aquaphobia Fishlore Legend Member

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  9. clark12

    clark12 Member Member

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    Location:
    northeast ohio
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    0-0-5 and ph 7.8. after i cycled i never had a problem with any parameters. always a constant 0-0-5
     
  10. Aquaphobia

    Aquaphobia Fishlore Legend Member

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    Awesome! I would still do the regular water changes if only to keep your water properly mineralized:)
     
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