UV sterilizer flow rate

[moe103]

I see in the description of UV sterilizers that a slower rate of flow is not good for plankton life. In a Fowlr tank should I be concerned with harming the plankton population?

 

[lapin]

Depends on the plankton species and the flow rate per watt of the UV
Everything you ever wanted to know about UV
http://www.americanaquariumproducts.com/AquariumUVSterilization.html