metal halides

dangchowser

Well-Known Member
yes and no , you need to get a MH conversion bulb in order to plug in a MH into HPS , I dont know if you can get a HPS conversion bulb for MH never heard of it.
 

adz15978

Active Member
ok where do u get them from? price compered to normal metal halide?

if u dont have conversion do u need a m/h ballast?
 

eklectik

Well-Known Member
Yes, you either need both an MH and an HPS ballast, or you get an HPS ballast and get a MH conversion bulb. Also, if your pockets are deep enough, you can get a switchable ballast, which allows you to exchange the sockets to be able to use both bulbs. The thing is, each bulb requires its own initial charge, provided by a transformer and capacitor circuit. The voltage is different for each bulb, so in that respect, they require different equipment, unless you get a conversion bulb. Got it?
 

delerious

Well-Known Member
ok i been searching for conversion bulbs, and finding nothing. the only blubs i can find are ones like these:
Growmaster 600W Metal Halide Lamp 4200K NEW! on eBay, also Hydroponics, Plants Seeds Bulbs, Garden Plants, Home Garden (end time 29-Nov-07 12:37:08 GMT)

but how do i kno if it would fit my ballast?
Here's a few links but they're US. From your link I assume you're in Europe/UK , but at least it will give you an idea what to look for. The 600W require a S106 type ballast.

High Tech Garden Supply
High Tech Garden Supply
High Tech Garden Supply
 
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