Which T5's to Supplement HPS Flowering?

Kolchak420

Kolchak420

Active Member
For vegging, I'm using 6500K T5's.

I'd like to also use T5's to supplement HPS flowering. So, should I use the 3000K T5 (normally used for flowering)? Or should I use the 6500K T5 to give more of a full spectrum?
 
DST

DST

Well-Known Member
Quite a loaded question because some people preach that additional blue is required. Most HPS bulbs give out some blue spectrum. I flower using a 2:1 ratio of HPS to MH and love the results I get. You will probably get peeps telling you to do either or I am afraid. Me, I would go with the 6500k if it was just HPS's I was running. Good luck. DST
 
Wolverine97

Wolverine97

Well-Known Member
The thing about using t5's to supplement during flowering is that you can't really get them close enough to be any help without also blocking out some HPS light. Unless you use them hung vertically as side lighting.
 
FuZZyBUDz

FuZZyBUDz

Well-Known Member
DST said:
Quite a loaded question because some people preach that additional blue is required. Most HPS bulbs give out some blue spectrum. I flower using a 2:1 ratio of HPS to MH and love the results I get. You will probably get peeps telling you to do either or I am afraid. Me, I would go with the 6500k if it was just HPS's I was running. Good luck. DST
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my best buds were produced under a HPS and MH mix (600wattHPS /400wattMH)

i agree with you totally.

but of course on the side lighting, no point in havin it in the way of the hps.
 
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