Need help choosing HPS bulb

I plan on using a sunmaster 600w MH conversion bulb for vegg but not sure what brand HPS to use for flowering . I know they emit a red/orange light but I want to maintain the best blue spectrum possible. Which brand has the best blue spectrum?
 

iron joint

Active Member
What is your reason for wanting the best blue spectrum possible. i know that blue is important, but to me id rather have a more efficient bulb all around then buy one just because it has a blue boost in it.
 
Hortilux. Best HPS out there, in my humble opinion. I use the Super Hortilux 1000 watt. 140,000 lumens and a boost in the 400-500 nm. range. I do use 2-4 foot floursent T-12's with 40 watt Philips Agrolite bulbs (available at any Home Depot) and two 68 watt cfls to enhance the spectrum and balance the light in the growroom.
 
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