mr_X
Aquarium Advice Addict
I don't use the optics. I just have the shield over my tank and am quite happy.
BTW, it's come to my attention that the 120 degree optics are what I am using. They appear to be a little glass bubble under the plastic shield. Not traditional optics that appear to be a snap on lens.
Can a newbie jump in and ask a question? I'm also looking to order these lights for a 20 high. What are optics?
And OP, would you mind posting a pic of your setup?
Thanks so much. How does one determine how much of a blue/white ratio to set?
How would one of these lights match up with a 55g? Would I need more than one?
Sorry lol. OP can use this info too though!
I do like the extra blues in my fixtures though (mine are 30 and 25).