De Cmh?

[BosStrong]

Hey guys I just started my first grow (still seedlings) and i already want to increase my lighting come flowering. I already have a single sun systems 315w RA but i was wondering if anyone had any experience with the growers choice DE cmh?

 

[Derf Werfler]

Surprised nobody answered. I have been checking out both 315 and 630's over at GH. The Growers Choice DE 630 CMH certainly has a great price point, but no reviews.

 

[heisen]

I like the 315s.you can spread them out over a canopy and don't get the shadows and less intisity.2 315s are taking my single 600 hps to school.i think the 2,315s spread out will be better unless you wanna run 2 630s side by side in a 5x5

 

[Derf Werfler]

@heisenbubble - Thanks for your input! So to be clear, you think 2 315's are a better way to go than a single 630? I appreciate your opinion! Thank You!

Derf

 

[heisen]

Based on all the research I did yes.unless you have a bigger area and want to run duel 630s but I think 2 315s will cover the area a little better.but the cost will be more 2 ballast and 2 bulbs

 

[DemonTrich]

2 lights will always be better than 1. More overlapping coverage. But 2x the startup cost for hard parts.

 

[Freshone]

I just bought the growers choice 630 de cmh bulb to try,Im going to try it in one of my gavitas.

 

[Derf Werfler]

@Freshone - I have heard great things about, but know nothing of gavitas. Started with LED and that has been my mainstay in the couple of years since I have restarted growing after a 30 year hiatus, and first time delving into indoor. So I Take it that the gavitas have a square wave ballast? Not that it matters, because I am not going the gavita route, but just curious. Peace.

@heisenbubble and @DemonTrich - Thanks very much for your inputs! I have lurked and watched your grows with admiration whenever I get surf time. I am currently at friendly odds with a newly friended and well respected local grower in the new climate and location that I have moved to. He is a HardCore MH and HPS fan. He does however give a nod to some of the better quality USA made (never cheap chinese) LEDS. I am as totally sold on CMH technology as I can be without having actually tried it myself, which I am now setting up to do with some experimental units that I will be test driving for my fall grow. He is totally "Bah! Humbug!!" with CMH tech. He, and a few of his friends claim that the PAR of CMH will be my Achilles heel in my new grow when it comes to flowering. I constantly refer him to your threads and others with your spectacular results. He (they) just poohpooh what they see. I am looking forward to smearing their noses in my dogs pooh and win a surf & turf dinner bet after this grow is finished after the holidays. Thanks again for your input, and for your excellent threads!!

Peace

Derf

 

[heisen]

Your friends are crazy.the numbers don't lie.under cmh my plants require higher ppm as opposed to the same wattage hps.the overall structure and trich production is better.ive done them both.those 2 cmh absolutely kill the 600w hid.they are close to the 600whps but I still give them the nod

 

[DemonTrich]

I'm on my 5th flower run with cmh. All my hps and mh stuff is still collecting dust. There must be a reason it's collecting dust and not in use.

 

[Freshone]

Derf,The 630 de is not square wave that I know of,could be wrong,they need certain ballasts.Most gavitas can't run them but I have the El series with master controller that allows dialing in to exactly 630.Its just an experiment for now,not sure how much I trust those gc bulbs.

 

[BosStrong]

Yea I ended up just going 3x 315s mixed spectrum in my 4x8 and have had awesome results. 2 weeks away from my 2nd harvest and my girls are looking great.

 

[DemonTrich]

Also I just read, the 630 De cmh bulbs are not rated for open fixture use like they sell them. You must (would be safe) to install a glass sleeve they sell to encase the bulb in another glass layer of protection in case of a bulb failure.

I'l try and dig up a link or pic in a minute.

I dont want to steal hammerheads pic over at ic. I did a quick search and didnt find anything. If you go the de route, make sure the bulb is double jacketed for safety.