Yes, you can safely use UV and even ozone if wished as they only effect free swimming bacteria not bacteria in the DT or sump. This is not stated in the instructions but is answered at the Red Sea website in general questions.
Yes, you can safely use UV and even ozone if wished as they only effect free swimming bacteria not bacteria in the DT or sump. This is not stated in the instructions but is answered at the Red Sea website in general questions.
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