6700k or 18000k
The facts
I know 6700K is more in line for fresh water planted tanks but is there going to be that much of a difference compared to 18000K based on the following
20" water depth
Lps and softies
I have run only the 18000k bulbs from the start but wondered what I will loose buy going to 6700K. Also any benefit in running a combination of the two or stick to one or the other.
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