1. Sep 21, 2016 #1
   

   HK_Fuey New Member

   14

   1

   UK, Newcastle

   Based on data, does anyone care to suggest which design is the most successful?

    
2. Sep 21, 2016 #2
   

   Matt Berry Active Member Trusted Member

   202

   42

   New Zealand

   Easy. The patented Upflow Algae Scrubbers (tm).
   
   Just kidding.
   
   A decent waterfall scrubber has proven to be the most effective from what I have seen.
   I would rank them:
   Waterfall
   Surge/Dump bucket
   Horizontal
   Upflow.

    

   Turbo and HK_Fuey like this.

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