- Joined
- Jun 6, 2019
- Messages
- 404
- Reaction score
- 269
- Location
- White Plains, new york
- What state or country do you live in
- New York
Hi, I don’t have a sump. My question is “are phytoplankton, copes, etc affected by uv sterilizers? All of my life forms are in my DT and all of the water column passes through the skimmer and uv.

