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Amazon Shop for: HPS

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OfflineFlusH
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Ballast qestion.
    #3004374 - 08/14/04 03:06 PM (12 years, 3 months ago)

my lawn gnome has been running a 1000w MH bulb in a 1000w HPS ballast. He was under the impression it was a MH ballast when he bought it, but when he cracked it open to check the insides out it has an ignition system like his HPS unit. Infact they look identical. Is is safe to run a MH bulb on a HPS ballast? He has done so for about a year so far, but that does not mean he did any damage or ran the risk of doing something dangerous. Does anybody have any experience with this? or offer any advice? I am no electrician and I am having some trouble finding an awnser. Thanks


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Anonymous

Re: Ballast qestion. [Re: FlusH]
    #3004452 - 08/14/04 03:38 PM (12 years, 3 months ago)

you might do better finding an answer to this on www.overgrow.com.


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OfflineFlusH
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Re: Ballast qestion. [Re: ]
    #3004456 - 08/14/04 03:39 PM (12 years, 3 months ago)

I got the same question posted over there, word for word..

5 shrooms if anybody can awnser the question here before somebody out there does.. :wink: :grin:


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OfflineRandolph_Carter
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Re: Ballast qestion. [Re: FlusH]
    #3004539 - 08/14/04 04:02 PM (12 years, 3 months ago)

I'm thinking that because of the different ignition specs, you'll either end up doing damage or losing effeciency.

as far as how to run it right....look here.

http://www.living-learning.com/store/lights/switchballast.htm

bulbs that'll run in the other type of ballast.
Still looking for the build differences.


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"..all those molecules thrashing their kinky little tails, hot for destiny and the street."  Gibson


Nuke baby seals for Jesus!

(This has been a +1 production.)


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OfflineFlusH
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Re: Ballast qestion. [Re: Randolph_Carter]
    #3004621 - 08/14/04 04:33 PM (12 years, 3 months ago)

Thanks for helping out! 5 shrooms to you!

Here is what I have found for wiring so far..


MH :


HPS:



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OfflineFlusH
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Re: Ballast qestion. [Re: FlusH]
    #3004758 - 08/14/04 05:31 PM (12 years, 3 months ago)

So my gnome figured out that it is a hps ballast, Down at overgrow some people posted that they had success using a MH light on a HPS ballast, but the ignitor can cause the MH bulb to blowup. But if a switch is installed at the ignitor then the ballast can be used both way's.


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OfflineFlusH
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Re: Ballast qestion. [Re: FlusH]
    #3004910 - 08/14/04 06:38 PM (12 years, 3 months ago)

Ok, so here is the final word.

To make a 1k HPS ballast compatible with a 1k MH bulb the ignitor needs to be removed or a switch put in place. Install the switch on the blue wire (the wire between the ignitor and transformer, not the positive or ground of the ignitor). This only works on 1000w ballasts and bulbs, not on anything smaller.


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Amazon Shop for: HPS

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