Using Pond Uvs On A Marine Tank?

[bae1994]

ive asked a few lfs and have been told that a pond uv will not work as the bulb casing is further from the bulbso will kill single cell algea but not bacteria is this correct

thaanks bae

 

[bae1994]

has any one got any ideas on this it would be for a fo

 

[chr15_8]

ive heard the same thing on another forum.

the flow rates are completely different too.