mh bulbs 10,000 or 5,000?

wickj

New Member
when using metal haloid bulbs will 5,000k work or is it absoluty nessesary to have 10,000 or more :notsure:
 

thegrog

Active Member
6700K is the absolute MINIMUM you need for aquariums, 10,000K being the preferred minimum. 5000K is not enough for aquatic life. I prefer 14,000 or 20,000K personally as they are a little more blue and make everything look better.
 

mudplayerx

Active Member
I use 10k bulbs without and actinics and everything grows pretty well. I like the look without actinic supplementation, but that is just a matter of opinion.
 
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