6500k really the best for growth??

[biecacka]

Can't you get a 10k look with your orphek?
Corey

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[jda]

The Iwasaki 6.5k is still available. It is a Mercury Vapor bulb that lots still use for Horticulture.

[syrinx]

Originally Posted by timnem70

Nope. No one or nothing I have heard or read says 6500kelvin is a prosperous source of light for Corals. Maybe you were thinking for Macro growth in your Sump. In that case 6500 is the exact temp for that application.

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Try Books not BB for info then.

[Greg 45]

Originally Posted by jda

The Iwasaki 6.5k is still available. It is a Mercury Vapor bulb that lots still use for Horticulture.

Do you have a link on where to purchase
Maybe I was thinking ushio

[ksc]

Originally Posted by Greg 45

Do you have a link on where to purchase
Maybe I was thinking ushio

http://www.bulkreefsupply.com/iwasak...-end-bulb.html

[ReefCowboy]

Originally Posted by biecacka

Can't you get a 10k look with your orphek?
Corey

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Corey, here is the kelvin temp you can get teaking channels.

[sellmecorals]

Originally Posted by jda

High noon with sunlight on the surface is about 5.5K. Down like 12-15 feet is 6.5K where most coral come from. Once you get pretty deep, 15-20K is more common - only really the thin branched deepwater SPS and NPS stuff come from here. Most of the AQ corals that are commonly available are in waist/neck high water between 5.5k or 6.5k.

awesome info