the uv light in most pond units are the correct type for sap, some of the cheaper ones run a different type bulb. I would more strongly believe that the plumbing was rusty or something before I blamed the light.
3rd generation maple producer
3x10 Lightning Small Brothers (on natural gas)with piggyback
Still need more taps, 1100 on vacuum
A 24' x24' sugarhouse (2011)too small(2012)
Homemade Finishing and Bottling Equipment (on natural gas)
Brother to Brother operation with plenty
of family and friends support
Still expanding, new sugar house being planned for 2018