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I have literally tried every kind of denitration filter there is. Long *** tube, aerobic zone, deep sand bed, sulpher denitrator and vodka.
None of them work well and needed constant almost daily adjustments to keep them running correctly.
Vodka is the easiest Ive tried with great results, but Im considering bio pellets now. I honestly would never again recommend any of the denitator units ever again. They can work but are a HUGE PINA.
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