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Cloudy water -- filter media changes

Discussion in 'Aquatic Plant Fertilization' started by rs18alpha, Feb 25, 2017.

  1. rs18alpha

    rs18alpha Subscriber

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    I put a new a sponge in my HOB filter the other week and my water cleared up. I started using CO2 7 weeks ago and I couldn't seem to get the water clear. I did water changes cleaned the filter and the bio bag but nothing worked.


    It was pretty old. I don't know how often I should change the filter.


    So, apparently the old filter was the problem..


    I know a lot of people use Purigen, but Iv'e never tried it. It says you can recharge it with bleach, but I don't feel good about using bleach. I'd be worried that I wouldn't be able to rinse it out good enough. But that's just me.
     
  2. gsjmia

    gsjmia Lifetime Members
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    Not sure if Purigen is your problem (white cloudy could be bacteria), but you clean Purigen in bleach and then use dechlor. Do all this in a small bowl and you can add 4 or 5 ml in a small volume of water and get superstrength dechlor. Then let it sit and air out dry for a couple of days and sniff to see if any bleach smell remains. In the off chance it does smell like bleach, repeat with the dechlor. When I used Purigen, I had two sets of bags, one in use and the other drying out.
     
  3. rajkm

    rajkm Article Editor
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    Don't let Purigen dry. It need to be stored wet. I checked with Seachem. That's why it comes with some liquid in the pack when purchased new.
     
  4. gsjmia

    gsjmia Lifetime Members
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    Good to know if I ever use again, I found it didn't do anything
     
  5. rajkm

    rajkm Article Editor
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    It cleans up organics only. It's a better alternative to carbon because carbon can pull some traces out. Actually Seachem claims their aquavitro purfiltrum is even better and does not remove any traces while Purigen might.
     
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