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Cheato is a very good means to control nitrates. I have mine in my refugium with the lights on 24/7. I have had my current setup running for about 10 weeks:
week 3: nitrates 60ppm
week 4: nitrates 40ppm
week 5: nitrates 20ppm
week 6: nitrates 10ppm
week 7: undetectable nitrates
I have a 120 AGA and do 5% water change per week with a 4-5" deep sand bed. I have a quiet one 6000 for return split to 3 heads. Also have a #3 and #4 koralia for circulation. good luck!!
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