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Originally Posted by karimwassef
It's important to have facts before asserting opinions:I added an ATS many many months after I had used UV and been dino-free and clear.
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Just going off of what you told me. "
First UV,
then wet skimming + carbon + new chaeto + new live rock + blackout + thousands of pods + phyto.
Then I cranked up my feeding and installed an ATS..."
At the time you got rid of the dinos did you have any algae in your display tank?
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Then I tried UV and it was a C change. It won the battle for me.
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What do you mean by this?
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As far as phyto, enough of it stays alive long enough and competes with any "pathogenic" elements... Then it becomes food. That's the plan.
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If it's dying it's not competing with dinos it's just providing N & P for the bottom of the food chain. Dinos would eat this up if something else wasn't gobbling up these nutrients first.
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As far as export: ATS is, by far, the best mechanism for export and nutrient control. It kicks in after a powerful skimmer and a healthy open surface sandbed. They are not in opposition... They're allies. Each can deliver a unique export capability.
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I'm aware that they have different export capabilities. We need to focus on the things a skimmer can't touch, N & P. So even though a skimmer can help maintain low nutrients it can not physically lower either N or P.
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I have almost no rocks on my 3' x 8' x 3" sandbed. That's my bacteria and detritus cleanup zone.
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Bacteria grows everywhere.
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The monster skimmer removes organics
The scrubber and chaeto removes inorganics.
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Organics are food but not the kind of food dinos are using to grow... inorganics (N & P) are.