1. 

   Tom Barr Founder

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   Old dead link:
   
   http://www.tropica.com/article.asp?type=aquaristic&id=142
   
   
   New updated:
   
   http://www.tropica.com/en/tropica-abc/basic-knowledge/co2-and-light.aspx

    

   #1 Tom Barr, Apr 3, 2010
2. 

   Tom Barr Founder

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   Link update:
   
   http://www.tropica.com/en/tropica-abc/basic-knowledge/co2-and-light.aspx

    

   #2 Tom Barr, Jul 17, 2012
3. 

   hegemnon Junior Poster

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   New links:
   
   
   Light: http://tropica.com/en/guide/make-your-aquarium-a-success/light/
   
   
   Fertiliser and CO2: http://tropica.com/en/guide/make-your-aquarium-a-success/fertiliser-and-co2/

    

   #3 hegemnon, Sep 16, 2015

   2 people like this.
4. 

   Tom Barr Founder

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   Thanks for link updates

    

   #4 Tom Barr, Sep 16, 2015
5. 

   Jason barrreport.com

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   Thanks hegemnon

    

   #5 Jason, Sep 17, 2015

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