Under Gravel filter

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8 hours a day 16 hours of light on my algea scrubber two screens clean one a week the other the next week no protienskimmer running charcoal and gfo . About 7 table spoons of each per 2 weeks. Soon as my phosphates hit .03 I will cut back on gfo.
 
8 hours a day 16 hours of light on my algea scrubber two screens clean one a week the other the next week no protienskimmer running charcoal and gfo . About 7 table spoons of each per 2 weeks. Soon as my phosphates hit .03 I will cut back on gfo.
Doesn't your Gfo run counter productive to your algae scrubber?
 
That is interesting , I never heard about that style before. Did it not work well?
For what it’s worth, this tank below running 4 years on “under gravel filter”

Old ways not always bad ways.
889481DD-BB58-46A3-B14C-6FF0C4BFD603.jpeg
 
It’s a good system if done correctly.
I believe member PaulB has run one for more than 4 decades.
I'm just over 2 years
 
For what it’s worth, this tank below running 4 years on “under gravel filter”

Old ways not always bad ways.
889481DD-BB58-46A3-B14C-6FF0C4BFD603.jpeg
That is spectacular, very nice I hope mine look half that good in 5 years
Doesn't your Gfo run counter productive to your algae scrubber?
My rock was high in saturated phosphates the scrubber was bringing it down like .02 every week and if I feed any flake food that took the.02 drop away so I decided to get some rowa never again when it is gone .no more rowa for me. Going back to phosgaurd. Any way tank started out at .76 phosphate algea scubber brought it down to .36 on its own .put in what phosgaurd i had took it to .16 over a week then started rowa nasty dirty stuff. But I am at .06 and algea on scubber looks alot better no nasty slim just green turf. That is a good point think I will take gfo out and see what happens now.
 
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