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Ceramic Metal Halide (CMH)

DurbanStone

Member
ahh, somebody tell me what I should do. I was going to buy a phillips bulb with a 600 watt Lumatek ballast. Should I wait until they make a 600 watt ballast for this new type of light?
 

simba

Sleeping Dragon
ya u can go down to 1" from tops if aircooled hood and a bit of airflow On tops

mylar Creates More heat.. that paint might need to be redone or get some Panda white poly.. Easy and no paint etc..(texas hydro sells by the foot so u dont need roll)


THEY ARE BRIGHT AND WILL HURT EYES>>
ya use sunglass's if needed..
its like looking at the sun.. in a way..

ya philips does have nice lamps..
there SPD arent skewed as bad as others (on there horti lineup) and there spd on cmh is not skewed at all..

ya Deft philips D2s is the best bulb.. use matsushita ballasts over hella or others
i hate retro Headlights.. In honesty just get a Set of Fog Projectors and use a h3 and ull love that and i wont be blinded oncoming..

ya as far as remote ballasting its easy as adding a plug..
just extend the Lamp out wires.. (theres only 2 but add a ground)
ballasts are so simple..to wire.. just take the plunge..
dont disconect any thing till u know what u want to do .. and then remember..
i say first time no smoking up..

durban no your going to wait a while.. (the latest word is still 6month for release and thats to Preset List of Locations) i duno why..

your better off going to 400 cmh and then getting another later..
in honestly the 600 i seen im so close to using 400 still just cause its to much energy from the 600 at the LOW height to the plants in the middle..
(600 more for if u wnated a larger area but only one light )
2 400 in same area would

Love the pics guys.. thanks for puting them up.. I cant..

oh deft.. i have used Philips 35 watt 2k, 3k and 5k d2s for mini grows before 20 watt CMH they rock and Goes to why cmh is best..
compare HID to Halgen headlight what can u see more with and hid uses 20 watts less than halgoen yet dumps more light LOL.. Ya cmh and xenon..
and infact Xenon Horti lamps are being looked at (no more info cause we in early stages and not going to giveaway to competitors yet)

i will say this.. the pricing structure from philips has been rumored to be going up Jan 08, We fighting this cause it will affect other Horti Stores.. and decrease everyones profits except the mfr.and since we have some say we are Demanding no increases for a while..
there is no set Increase yet,, we all assuming its only a buck but who knows till they say..
 
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gramsci.antonio

Active member
Veteran
simba said:
just extend the Lamp out wires.. (theres only 2 but add a ground)

ok. I plug one side of the ground to the metal reflector... and the other side?

One more question: If i turn off the lights, how long should i wait before turn on again?
 

Deft

Get two birds stoned at once
Veteran
Way ahead of you Simba, my car came with new style quad projectors with great cutoffs, I aim them at a low angle, its just my lows only take 9007 and Phillips doesn't make a retro bulb because as you said most halogen fixtures are not good with Xenons because of glare.. but mine blink quite crisply... don't know why my car manufacturer included projectors without HIDs because the projectors are the expensive part as far as I can tell.

That sucks about the price increase, is it because of the dollar being so low value right now in relation to the €?

I may just retrofit in some projector housings from a newer car like an Acura/Lexus/bmw etc so I can just use the regular D2/DS2 whatever bulbs but that requires cutting open and re-sealing my projectors as well as getting new housings... probably a lot better than a re-based D2, I don't trust the little arc tube being in the right spot with the re-based.
 

Deft

Get two birds stoned at once
Veteran
Ohh and I will take a few pics of the wiring before I start, theres a guide on here with wiring diagrams and its not rocket science, I think the hardest part is going to be securing everything safely and finding a reflector I don't think is a rip off lol. And I never smoke when I need to do things that could be dangerous.
 
G

Guest

Hey folks,

Had to take a break from here to focus on other "life" things! MostHigh posted a pic from my gallery of how close the 400w cmh can get to the canopy, that was a conservative placement as the plants were JohnnyBlaze and growing at an alarming rate. As it was I was gone 4days a week and at day 76 of 12/12 the two "bigger" JB's were still stretching and not flowering much. Every time I left town they grew into the hood. So I chopped them down and let the smaller one finish. I now have some clones of the same JBs and some Willijuana 7days into 12/12. Nice and tight! I think that the JBs needed some time to mature and that the clones being much older should be more manageable. I will update with pics in a couple of days. If there is one thing for sure, vigor is never a problem under the cmh if you know how to grow. The clones were taken around day 40 12/12 or so and re-vegged/rooted so nicely under the cmh.
 
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FreezerBoy

Was blind but now IC Puckbunny in Training
Veteran
Just wanted to thank all for the info in this thread. I've now upgraded from an HPS 150 to a CMH 250.

Lightbulb and ballast kit (from Venture Lighting) both came in stealth mode. Simple brown cardboard boxes. Coil, cap and ignitor were pre wired. All I had to do was isolate the "multi tap" wires (voltage wires other than 120) and the rest was self explanatory. And I say that as a BIG non electrician.

Bulb arrived at the tail end of my last grow so, no performance reports yet. Now if I could just get my new Silver Haze beans to open up ...
 

MostHigh

Member
Cool for you FreezerBoy. I bought off of Venture too. Damn awesome that they do that. Most manufactureres are snobs with single unit sales. Venture though, will sell it to ya, assemble it, box it up and send it to your door.
I ordered the 950 series 400 watt lamp, comes in a domeless magnetic fixture, and a 400 watt HPS ballast kit, assembled and bracket mounted...both to the door for $203. $18 of that is for shipping.
Anyone else looking to order from Venture Lighting, when ya call, tell the receptionist that you're an 'end user'.
 

simba

Sleeping Dragon
Most ya i like the 950 to but more of a dual system..as we been asked if cmh needs suplement.. id say it would like a 250 hps as a kick of red..
cause its mhp not hps (hps users want that ease of just dropping bulb in..)
and life is good
the main thing i dont like is its more blue than red..
its basicly a EYE HOrti Blue.. not CMH
cmh for us is it.. i have to say..
also the only open rated is base up.
http://www.venturelighting.com/NaturalWhite/Natural_White.pdf

great find though.. Its what i would use if i didnt use cmh
 

MostHigh

Member
That'd be why I'm using the 950 in concert with the HPS retro. I believe they'll compliment one another nicely as a grow matures.
Folks out there debating about the Philips CMH and the Venture 950 vs HPS, especially hortilux...those people, I gather, do not realize the advantages of using CFLs in their grow.
Because of the characteristics of the two lamps, it's fair to think of them as mega-watt CFLs. Me, I'm a big fan of using CFLs alongside HID. So when I see these lamps available...and their SPDs...I drooled.
They want to argue unused spectrum being wasted...ya, right in the same Nms as their pricey 1000 watt horti.
They cite that the horti has greater PAR. Does it though? Philips & Venture did not set out to make them as grow lights, so, they've not tested or measured for PAR. Ever notice a PAR rating on a off the shelf daylight 6500Kelvin or warm 2700K CFL? Yea, neither have I...but I damn sure have noticed the growth either stimulates in MJ.
They try and argue that CRI is meaningless. Well, sure, CRI is based on what light the human eye interprets...and the brighter the light is to us, the more blues are in the mix...it's the blue photons that plants stand up for and follow around. So, the higher the CRI is to the human eye, the more blue spectrum is available for the plant to metabolize. And being as MJ doesn't process blue as efficiently as it does red...a big brite stab of blue in the colors emitted is a damn healthy sight to MJ.

I'm still several weeks out from going into bloom, at which time, I'll begin a bloom journal, possibly a side-by-side with the left over digi HPS I'll have handy. Though, knowing me and my wide eyes, I'm likely to shove all the lamps into the space and light the grow like it's never been before!
 

gramsci.antonio

Active member
Veteran
gramsci.antonio said:
ok. I plug one side of the ground to the metal reflector... and the other side?

One more question: If i turn off the lights, how long should i wait before turn on again?

simba can you answer to this? :)
 

simba

Sleeping Dragon
Quote:
Originally Posted by gramsci.antonio
ok. I plug one side of the ground to the metal reflector... and the other side?

if U turn off the lamp for whatever reason wait 5-10 minutes
if it turns off from quick power outage leave alone..it will be fine it will refire when ready.. the problem is that u may unplug it rite as its atempting to fire again. and u dont want that..


where talking ballast to lamp wiring,
get x feet of Heavyduty bulk extension cord id say 3c/14awg
(14 gauge stranded heavy duty jacket 3 conduit (hot{black}, Neutral{white} Ground{white})..
i forget how they label extension cord on the real..
but basicly x feet of there heavyduty extension cord for 120V with ground at 14 gauge.

ya one end of the ground to the Reflector and the other end to the Ground wires in the ballast case (in that set should be ground wire from power cord to case with a Wire nut add the new ground to that)


heres a pic of one of my ballasts..
(i duno why i ripped apart one i use.. LOL)
the left side is the Lamp side.. youll notice youll have 3 wires in each wire nut on the lamp side and only 2 on power side..1 from the lamp 1 from the Core of the ballast and 1 from the starter..
The cap only hooks to the ballast core.. theres not polarity mismatching concern there

also note even though not all colors match up there are labels on the wires them selfs to match up.. incase you undo to many..

IMAG0006.jpg
 
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Y

yamaha_1fan

to wire my hoods and ballasts together, I just used romex. I had plenty left over. Its rated to 600 Volts and is 12/2 I think so amperage is not an issue. Dont see the need to buy the extension cord type wire.

I need to add another 4x4 or 5x5 area to my mom area. Its getting pretty crowded under the one 1000watter I got. I already got 2 400W HPS ballasts just laying around so I guess the obvious choice is to go with the 400W CMH.

Is the link Simbas got the only source for these or is there another source? I would buy from there, just dont feel like doing the paypal thing.
 

Dr. Bloom

Member
I'll be running a side by side between a Phillips CMH and a Hortilux EYE (both at 400 watts). It's not going to be scientific or anything, but i'm going to have each one over half of a C99xHaze Scrog. I'll try to post some pics as things progress.
 

duddits

Member
Hey!

Here is a pic of 5 week olds that are in B'cuzz Bounce coco bags (3 gal) under a 400 CMH on 12/12 for a couple of days now. They had been under a 250 CMH in 18 oz cups on 20/4.
I have switched from a 600 w digi w/ HPS and to coco from FFOF soil. This is my 3rd grow so I am a NEWB as well as a newb to different grow medium and lighting.

Big time thanks to simba whose advice has been invaluable to me! I can say right now that I LOVE coco and have noticed healthy growth thus far with CMH. The length between internodes has been nice and tight. Curious to see what happens these next few weeks with their stretch.





 
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G

Guest

Hey Pinball -

How are those Widows finishing up? I love how they are reaching for the bulb in that photo! A long time ago I ran one halide and one hortilux both 400w side by side and the plants (all clones of the same mom) under the horilux hps reached and stretched to the halide side the whole damn time. I see outdoor plants and plants under cmh reaching all the time, but rarely under hps bulbs.

Have you noticed a great sense of vigor and health under the cmh? I allways do. Plants seem to eat heavier and easier as well. I will post some pics of my current operations later tonight.
 
G

Guest

Yamaha -

I hope you mean 12/2 plus a ground! You need to have ground continuity at the hoods (they need to be grounded) for your safety

Good grown' to ya!
 

gramsci.antonio

Active member
Veteran
Hello!

My cmh finally arrived!!!

Here it is!



Unfortunatly it looks like it has been alredy plugged in... Looks at the dark part close to the plug... The burnt part continue partially on the plug... :(:(

And when i move it, it makes a strange metallic sound... Because there's a small metallic piece moving...





Is this normal? should i plug it anyhow? i'm waiting for your input!
 

JohnnyToke

Member
that is normal. mine do the same thing, make the same rattle when you move or shake them and they work fine. your base is a little black though. I don't think mine were that dark when I received them.

I would install it and try it out. I bet its fine.

regards,
JT
 
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