When to change light

[hammadkatiyar]

i have FWOLR tank...i have T5 lights ...i am using them more than 14 months....pls advise if i change the tubes of T5 lights now.

 

[oceanparadise1]

I would, have you noticed any extra algea? thats one big down fall of old lights.

 

[hammadkatiyar]

I would, have you noticed any extra algea? thats one big down fall of old lights.

Algae means what? from tube corners, light brown color is appearing

 

[oceanparadise1]

algea as in well algea lol google it and if that is appearing i would change the bulbs.

 

[mike007]

If algae is appearing yes you should change bulbs. Normally every 12 months should do.