- Joined
- May 13, 2019
- Messages
- 1,432
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- 2,605
- Location
- Scotland
- What state or country do you live in
- United Kingdom
I have a large frag system running and just wondered how many of you run a UV on your frag system. I have had a few issues here and there to begin with algae wise but things have settled as they always do eventually.


