Phat Jays current grow. 4 x White Rhino staggered under 250w HPS. (PICS)

[PhatJay]

I switched from 500w of 2700k CFL to 250w of HPS earlier this year and I thought it was about time I posted up some pics of how things are going.





Left Front 7.5 weeks old
Left Back 6.5 weeks old



You can't really see the 2 on the right properly but they are...

Right Front 3.5 weeks old.
Right Back 2 weeks old.

PhatJay Reviewed by PhatJay on 07-08-2012. Phat Jays current grow. 4 x White Rhino staggered under 250w HPS. (PICS) I switched from 500w of 2700k CFL to 250w of HPS earlier this year and I thought it was about time I posted up some pics of how things are going. http://i.imgur.com/iNdQ7.jpg Left Front 7.5 weeks old Left Back 6.5 weeks old http://i.imgur.com/eLGJo.jpg Rating: 5

[silent leprechaun]

Hey,

Looking good there dude !!! Very nice buds !!

Do you think the 250w of HPS is better than the 500w of CFL ?

Would you not think of adding the 500w of CFL with the HPS for the final few weeks of bloom ? I think you would get a fine boost on bud !

Well done, take care

S.L.

[PhatJay]

Do you think the 250w of HPS is better than the 500w of CFL ?

Yes, very much so. I get around the same yield for half the electricity cost. Also, under CFL the trichs took forever to amber and the plants would take at least 9 weeks. Under HPS they are done in 8.

Would you not think of adding the 500w of CFL with the HPS for the final few weeks of bloom ? I think you would get a fine boost on bud !

I am at my temperature limit, I cannot add any more light without a major system change. If I did add more, it would not be CFL. I used CFL's for flower for 2 years, I got great results, but HPS definitely has the edge in most scenarios imo.

[silent leprechaun]

Interesting to know...

I understand your issue with heat/humidity with adding the 500w of CFL. It could be difficult to vent all of that. Those CL give off a surprising amount of heat.

I use 260w of CFL and 190W of LED and it is at the threshold of heat right now. It stays at a constant 29C, 84F.

I also had the same issues with the trichs. Under LED they take forever, even though my LED has UV an IR blubs. I put it down to the lack of UV light from the tight bandwidth of the LED.

I spoke to some other LED growers and they agree. I went from 80w of CFL (2700k) to 360w so I think I should be in for a better yield this time round.

Running HPS and LED might be an interesting combo too... Hmm... You have me thinking about it now Only thing is, the LED won't tolerate high humidity created by the HPS...

The circuitry would be fried from the condensation... When the lights go out it could be a big issue as the LED fans stop running. At the moment I get zero condensation in my tent.

Thanks for the info. I'll have a think about it...

Take Care

S.L.