MH bulb question

20000K is a very deep water spectrum bulb. What you have in your tank should dictate what bulb you get. 14000K is a mid sea bulb and 10000K is upper sea/ shallow water bulb. Example: If you have a maxima clam that is known to be a tide pool species and put it under a 20000K bulb, it will most likely die because it won't get the type of lighting it needs, even though the bulb itself is kicking out a strong wattage.
Looking at your signature, putting a 20000K bulb is will most likely result in the death of your LTA though.

 

That's the answer I was looking for, thanks. Ill just stick with the 14000k then.



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