i have a small submersible pump in my skinner box right next to my main waterfall pump, the small pump goes to a uv light and then back out to the pond.
does it matter for the uv light to pull from the skimmer box or is it better to pull it from outside the skimmer box?
does it matter for the uv light to pull from the skimmer box or is it better to pull it from outside the skimmer box?