Lighting advice

edgee · Dec 12, 2010

Hi all, this is my first post so i apologise if i have this in the wrong place or have done it wrong!!

I have been given some lights by a friend to help with my lemon skunk grow, the bulb is a phillips 400w hpi but it isnt working so i need to replace it.

Do i have to stick with a phillips hpi or can i get a hps for it?

Thanks in advance!

edgee · Dec 12, 2010

P.s i have tried researching this myself but am unable to find anything at all on hpi :S

Kerovan · Dec 12, 2010

hpi? never heard of it.

ok, googled it, it's a quartz lamp. Most likely you have to stick with the same type of bulb. I highly doubt a hps lamp will work.. Hopefully somebody with more knowledge about this than myself will post.

robert 14617 · Dec 12, 2010

what is printed on the ballast id tag

edgee · Dec 14, 2010

Nothing that says what sort it is, just voltage and whatnot =/

Purplekrunchie · Dec 14, 2010

edgee said:
Nothing that says what sort it is, just voltage and whatnot =/

You don't see lamp type on it? Like E 40 maybe?

withoutAchance · Dec 14, 2010

hps bulb will only work in a hps ballast no exception will unless u add a ignitor to a MH ballast.

mrdrywall · Dec 14, 2010

i dont know either never heard of hpi, google a hygro store call em and ask they will know exactly what u got. i use plantlighting hydroponics.com

DST · Dec 14, 2010

An HPI contains Metal Halogen gases by all accounts. They are used in lighting large warehouses/spaces etc. Very similar to MH, you can also select them in different temperature ranges as well. I am not 100% on the application of this with growing so wouldn't like to say, go ahead and fill your boots and buy another.

Here is a link to a Dutch website http://www.ecat.lighting.philips.co...OF_ATG&familyStartIndex=1&productStartIndex=1 (you can also select English if that helps.

Problem I see with it, is that they are only going to produce daylight temperature ranges between 3800-4300kelvin, which is okay for veg but not so good for flowering. If you get a pic of the ballast then it may help, you may find that if it is a phillips then it will power an hps as well. They seem to sell standard HID ballasts, which is whay HPI comes under.

Good luck,

DST

edgee · Dec 14, 2010

Ok, i went to the local hydroponics shop and they seemed to think it would be fine using a normal HPS bulb with the ballast i have. Im going to try it tonight in the garage so not to blow my house up. Is anyone aware of any potential explosions here?

edgee · Dec 14, 2010

Well that was alet down. Nothing at all happened. I think it would have been better if it had blown up!!

edgee · Dec 15, 2010

I know have a HPS system

Purplekrunchie · Dec 16, 2010

edgee said:
I know have a HPS system

Awesome, you now have the best.

Lighting advice

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Kerovan

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withoutAchance

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