What is a UV sterilizer?
A UV sterilizer passes aquarium water past a UV-C light, damaging the DNA of microorganisms.
What UV sterilizers help control
- Green water algae
- Free-floating bacteria
- Some parasites and pathogens
Important limitations
- Does not replace filtration
- Does not kill organisms attached to surfaces
- Requires correct flow rate to be effective
UV sterilizers are best used as a supplemental water clarity and disease-control tool.