flowering

cph

cph

Well-Known Member
MH is better for veg growth.

HPS is better for flowering.

The only way you can tell by looking at them is by what the package says they are.
 
cph

cph

Well-Known Member
Super White??? Not sure. I might not remember this right so check the faqs. The hps uses a red light spectrum and runs around 2100K. MH uses a blue spectrum and runs around 6500K.
 
jact55

jact55

Well-Known Member
hps has more of a yellow orange glow and a mh has more of a white blue glow.

it doesnt say on the base of the bulb anywhere? where did you get them from? did you buy both and mix them up out of the package?
 
apasunee

apasunee

Well-Known Member
that is it,,,, that is totally acurate :leaf:
jact55 said:
hps has more of a yellow orange glow and a mh has more of a white blue glow.

it doesnt say on the base of the bulb anywhere? where did you get them from? did you buy both and mix them up out of the package?
Click to expand...
 
ryanp1

ryanp1

Active Member
well i bought a 400w switchable digital ballast it came with the bulbs i u sed the what i believe to be mh the redish orange for veg and lastnight went to the hps? the one with a white blue look to it first time with lighting so i dont have a clue
 
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