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Ceramic Metal Halide (CMH)

Strapped

Member
They definitely did dude. That looks pretty sweet. I'll probably end up doing something very similar to your set-up. What I'm thinking right now is upgrading the wattage to 2 250s, and put one on each side of a 205w penetrator led. How many ft2 is your cab?
 

someotherguy

Active member
Veteran
you're welcome man, i'm glad to help.

as for my cab, it measures 18 inch's deep by 32 inch's
wide by 60 inch's tall, some of which is taken up by the
lights and scrubber and such, lol.

here's a couple pics to illustrate.

peace, SOG

(wifi acting up, will add pics later)
 

Azeotrope

Well-known member
Veteran
Some CMH results. Almost done. :dance013:

That is a 150w 3k philips hanging there. There is a 4k 250w above.
 

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O

onehitjake

Very nice Azeotrope!

It appears the mixing of 3k and 4k is working well for you.
Things look tight and compact.....and filled out.
 

someotherguy

Active member
Veteran
you're welcome man, i'm glad to help.

as for my cab, it measures 18 inch's deep by 32 inch's
wide by 60 inch's tall, some of which is taken up by the
lights and scrubber and such, lol.

here's a couple pics to illustrate.

peace, SOG

btw, while i wasn't really impressed with Advanced Lighting's
customer service, everything seems to be moving along
nicely, i'll let you all know for certain once i have the ballast
kit in my possession and all assembled.

(wifi acting up, will add pics later)
hey Strapped, here are those pics of my cab i promised.



oh yeah, ...i had my new 400watt Retro White bulb
delivered yesterday and my ballast kit is scheduled
for delivery on Friday, woot, woot.

i even ordered myself a new Super Sun reflector that
i'll be picking up on the first so i'll have a complete
new setup. . . can't wait!

peace, SOG
 

someotherguy

Active member
Veteran
rooting clones doesn't require much light at all so
if it's just one cloner you could get away with just
a couple CFL's. you certainly don't need 150watts
of HPS, that would be overkill IMO.

here's a couple pics of my clone box where i'm using
PLL's, which are like a 4ft T5 but folded in half, these
are 23inchs long and 55watts per bulb, 1 up top and
3 down below for vegging rooted clones.

what they actually are is remote ballasted CFL's just
in a long straight bulb rather than all twisted up.




hope this helps, SOG
 

hoosierdaddy

Active member
ICMag Donor
Veteran
Kelly, you can't use that ballast with a 150CMH. That bulb requires a pulse start metal halide ballast.
I also agree that the HID 150 would be a bit much just to veg and root clones with. I prefer using very blue flouros (6500k) for that sort of work. You could get by with a single CFL to root clones and veg, and not have near the heat to deal with.
If you have T5's now, you have the best thing you could for clones and vegging, IMO.
 

hoosierdaddy

Active member
ICMag Donor
Veteran
You can run the Philips CMH in wattages of 250 and 400 in comparable magnetic HPS ballasts. It is just the 150 that needs ps metal halide.

Just a suggestion...you could easily build a 2'x2'x3' box out of plywood, paint the inside white, hinge on a door, add some air movers, and you could easily pull an ounce of bud every three months or so doing a screen and using that 150HPS that you have. 150 lamps can be had for $5.25 ea at econolight.com

Usually cheap 150 ballasts will only have core and ignitor, and will not have a capacitor. You can find capacitors online for about $10 and adding one will help with the electric costs lots. Those cheapo ballasts eat up lots of energy without a capacitor.
 

someotherguy

Active member
Veteran
You can run the Philips CMH in wattages of 250 and 400 in comparable magnetic HPS ballasts. It is just the 150 that needs ps metal halide.

Just a suggestion...you could easily build a 2'x2'x3' box out of plywood, paint the inside white, hinge on a door, add some air movers, and you could easily pull an ounce of bud every three months or so doing a screen and using that 150HPS that you have. 150 lamps can be had for $5.25 ea at econolight.com

Usually cheap 150 ballasts will only have core and ignitor, and will not have a capacitor. You can find capacitors online for about $10 and adding one will help with the electric costs lots. Those cheapo ballasts eat up lots of energy without a capacitor.

high man, you have a link to those capacitors?

i've been running a couple converted Vapor Tights for
almost a year now and even though i'm retiring them
from my bloom cab in favor of a 400CMH, i'd like to
use them in a mini-scrog maybe.

anyway, thanks for all the work you've shared here, i've
learned a fair bit reading your posts.

peace, SOG
 

41hope

Member
CMH

CMH

I want to add a 400w CMH to my garden with a adjust-a-wing reflector. What is the best bulb & ballast combo? Where do I buy theM?
 

messn'n'gommin'

ember
Veteran
I want to add a 400w CMH to my garden with a adjust-a-wing reflector. What is the best bulb & ballast combo? Where do I buy theM?

Philips Ceramic Metal Halide HPS-Retro White and a magnetic core and core ballast. Pulse Start MH ballasts for wattages of 150 or less and HPS ballasts for 250 and 400. I strongly suggest a UL listed ballast.

You can try sourcing them at an electrical supply store (brick and mortar or internet). Online, ATL carries the bulbs and earlier in this thread someone posted a link to another place, but, don't remember where.
 

big ballin 88

Biology over Chemistry
Veteran
Heres a 150w CMH out of a PSMH on day 7 of flower.


These had finished up under CMH only for 10 days or so. i just like the way it makes the buds look:artist:


I'm seeing less stretch than normal which isnt very good for my application right now. things are much bushier and leafier though
 

maree

Member
CMH info

CMH info

Just wondered if the 600watt cmh is on the market place yet? Anybody got any info?

If you're planning to use cmh you might find the following link useful. Specs of several different cmh's by various manufacturers. Get to the page and click on a pic for technical info. Several of the data sheets contain spd's - although as usual they give the realtive spectral power on the vertical axis rather then an absolute value.

Check it out:

http://www.lamptech.co.uk/MBI Ceramic.htm
 
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