MountainHigh
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Cattlefication?
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Stall looks good Horse, but that light...
Wants to lay down on the job.
best laid schemes o' mice an' men gang aft agley
plug in the power, nothing?!?!
Then's there's the small print on the box:
Might it be that your magnetic ballast is a little tired? I've seen horizontal MH (old style, not CMH) fire in a non-horizontal orientation. They just didn't seem to last very long (but many people replace their bulbs after a grow anyway).
I can't swear that CMH fall under the same operating principle, but I'm assuming that that is the case.
Quick way to tell: Temporarily mount your socket in a horizontal orientation and try again. It'll either fire or there's another issue (bad bulb, ballast that is not up to spec, forgot to flip breaker back on (lol), et cetera).
Sunsystem 10 EconoGro 400 MH
Random Bulb Store Site said:The basics:
These bulbs can be used in BOTH vegetative and bloom cycles - no more changing lamps during your grow. NO DIGITAL BALLASTS - you will destroy the bulb. ONLY use a standard coil and core HPS ballast (dont let the name confuse you). CMH bulbs cannot handle the frequencies of digital ballasts. Of course there are exceptions to this rule as there is at least one digital ballast that is designed to work with CMH lamps. They are fairly expensive and unless you know you have one of these you don't so don't try. The Ceramic Metal Halide bulbs are positional. This means that they are designed to be EITHER horizontal or vertical (they cannot be used universally) but not both. Placing the bulb in the wrong position will cause it to fail early. A tip to success is that most gardeners are reporting better success with the use of supplemental silica. Since these bulbs will make your plants grow fast, silica is helpful. Silica is involved in cell division and overall plant strength.
Uhh, you're using a MH ballast? These CMH bulbs are retro-fits for HPS ballasts, unless I'm completely mistaken. That being the case, your bulb isn't firing because a non-switchable MH ballast does not contain an ignitor that's needed to fire HPS bulbs (and, I'd assume, bulbs that are made to run in HPS ballasts).
I could be wrong.
Hmm. I didn't know that about the bulb orientation. I was thinking that they would either be one way or universal, but that quote states that there aren't any universal CMHs, that they're either horizontal or vertical.
D'oh, you're not mistaken... I am firing the R & D department, arrrgh.
Think there's a way to add an igniter ?
You can, I'm sure, be forgiven for the goof. Happens to the best of them. (And much more often to us lesser mortals, lol). Be different if you'd bought a (correct) ballast in the past and used a CMH.
Easy mistake to make, actually - it's got "Metal Halide" right there in the name. And the intended user of these things is the owner of or procurer/maintenance person for a factory, plant, college campus, mall parking lot, et cetera where they have a number of already installed "ugly" HPS setups. In that situation, they are advertised to the potential customer as having a more pleasing light "color" without having to "upgrade" 50 perfectly good HPS ballasts to MH ones.
The funny thing is that your hydroponics store didn't immediately catch it either when you ordered the stuff or when you took the "non-working" bulb back to them - at the least, I'd have expected the guy to look at it, wonder if it was really bad or if his customer had a different problem, screw it into a HPS ballast, plug the ballast in, and say, "Nope, it works just fine in MY HPS ballast."
Yes. But to answer your unasked second question, I don't know, lol. Some MH ballasts are said to be of somewhat less than stellar quality - cannot provide the sustained voltage required for pulse-start MH bulbs (different animal), for example. And that's just quality-wise. I cannot remember off the top of my head whether or not the ballast and capacitor in a MH ballast supplies the correct voltage to drive a CMH (or regular HPS) bulb. (I'm assuming that the actual firing voltage would be covered by the ignitor.) It would really suck if you spent $15-25 on an ignitor, wired it in place (wiring diagrams are plentiful), and all it could do was fire your bulb, then go out, then fire your bulb, then go out, then...
I'm interested in the answer though and will do some searching tonight if I don't forget (but I forget stuff sometimes). If I read anything that might be helpful, I'll let you know.
It'd be nice if it is possible/feasible, because then you wouldn't have to worry about taking restocking fee hit, possibly being out shipping (shipping on heavy C&C ballasts is probably not cheap) if you had it shipped to you, et cetera. But I don't want to get your hopes up.
MH (non-CMH) bulbs require different voltage than HPS and CMH. CMH also requires lower frequency alternating current than digitals deliver.
I know a young man whose hands shake when he gets a bag of this. When he gets the bag open, his eyes roll around and he stutters. He gets stupid on this weed before he even smokes it.
Utopia Haze is the freak with triple leaf action.
While the stink can be only subjectively described, I need a macro lens on a good(expensive) camera to show trichs like I see with an eye-loupe.Very nice haul Mr Gator It looks stinky and sticky to say the least. Love your drying rack. Why didn't I think of that! You do so much with so little it's just amazing.
I think I've met that young man...or his twin!
The new ones look eager to take their place. 3 leaves? There is one thing you have taught me, it's attention to detail! Nice work my friend!
I've slowly gotten it through my head that some sports are keepers. I've read good things about UH. Have you grown it before?