20 k toa 10k

[larrynews]

i had a 20k bulb break but i had an extra 10k bulb so i put it in, they are both 400w should that effect the corals at all...thanks

 

[mr.125]

Good question~!
I DO know that some corals do better under the white spectrum.
But I dont think the change will affect the corals all that much.

 

[blazehok68]

color difference. i think the 10k is more of a yellowish tint while the 20k is more towards blue. dont know if it will affect the corals though.