No UVs here. I went the high plant load, low fish and small fish load way
from the beginning. Even this year, with the fish way too many and too big
(after 8 years) for the ponds and

No UV here, plenty of plants, very minimal filtration (just for a small
waterfall) a low fish load, plenty of surface coverage (lilies)... I wouldn't
say my water is crystal clear at the moment but you can see clear to the
bottom... It will clear to gin clear shortly but I prefer a little murkiness...
it looks more natural.
Colleen
Zone 5 Connecticut