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Thread: glass lense required for lamp?

  1. #1
    Stay chooned in for more! Clint's Avatar
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    Metal Halide Conversion-

    this bulb says to use a glass lense. i assume this is to block out alot of UV light. would the plexiglass cover for my terrarium be good enough?

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    It may turn the plexi yellow...
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    Cardiac Nurse JB_OrchidGuy's Avatar
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    And may cause it to crack too. Plus I don't think it would withstand the heat either.
    JB
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    Stay chooned in for more! Clint's Avatar
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    it's doing fine with my unfiltered HPS light, no discoloration or melting.

    no idizzle.

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    Cardiac Nurse JB_OrchidGuy's Avatar
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    ok well good luck with it. The melting may not happen then, but watch out for the discoloration. If it happens, it will happen over time. Its not an imediate thing.
    JB
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    War. War never changes. Est's Avatar
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    Just quickly peeking at the article, are you sure you want to be using that bulb? Considering the price, the spectrum it gives off is pretty far from impressive. I mean, I'm sure you can make due with it, but it's got a lot of green (mostly useless) and has very little red.
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    Stay chooned in for more! Clint's Avatar
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    i want it because i have a HPS system and i want MH light, so i need a MH conversion bulb and they tent to be more expensive that HPS or MH. i don't mind paying the money and thats the best one i could find lol. if you know of any conversion bulbs that are better i'd be your best friend

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    Let's positive thinking! seedjar's Avatar
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    I think those glass filters are more for your safety than anything else... high output lamps put out harmful amounts of UV light. I remember back when I was in grade school the casing on a MH lamp array broke at the gym where my soccer team practiced; several weeks of practice were canceled beacuse apparently several dozen students and faculty from that school got sick as a result UV exposure during some assembly. You'd best do a little reading on the type of bulb in question, to find out just what the glass filter is for.
    Best luck,
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