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Metal Halide

Jan 31 (17 days ago)
Adding external ballast on metal halide giesemann
I have older pc-mh combo with internal ballast that I believed is going out. Are their instructions for rewiring and adding a new external ballast?
Jan 16 (31 days ago)
250W Mogul MH bulb
Hello, i am interested in buying a few of these bulbs on clearance. http://www.coralvue.com/coralvue-250w-mogul-base-single-ended-lamps 1) the site doesnt tell me what is wrong with them. can you pl...
Jan 09 (39 days ago)
Luxcore Ballast not firing up Spectra
Hi - I have the Luxcore ballast (250/400) and am hooking it up to a 24" Spectra with a 250 Radium bulb. I wired the luxcore ballast so that the white wire is opposite the brown, the black wire opposit...
Dec 28 (51 days ago)
1000w ballast
Hi, I have received an older 48 inch light with four T 5 bulbs, 2 250 watt metal halides and a single bulb that looks like a moonlight ? The unit has a single cord with four pins and was run by a Gies...
Dec 11 (2 months ago)
Luxcore selectable ballast
I read on BRS that they recommend a HQI ballast for the 250w radium single end. Is the 250w super lumens on the 250w selectable ballast the same as HQI?
Nov 13 (3 months ago)
Hanging a 24" Giesemann Spectra
I have hung the spectra using two toggle bolts directly into the sheetrock. How much does this unit weigh and is this sufficient for the weight of the unit? In reviewing the load capacities of s ingle...
Oct 17 (4 months ago)
Luxcore 250 watt ballast
I bought one of your 250 watt selectable wattage ballast to replace a old Hamilton 175 watt. I wired it up to the light and set it on 175 watts. Plugged it in and the light came on for about 5 minutes...
Sep 04 (5 months ago)
Luxcore 400W ballast support for 400W HQI
This ballast clearly only has 250w HQI setting however I do not see a setting for a 400w HQI bulb. Is this ballast compatible with 400W HQI Bulbs as well as a Hamilton 400W Cayman sun reflector? Thank...
Jul 31 (6 months ago)
Giesemann Megachrome advice
Hello, I have Giesemann spectra 3x250w and I have question. I have both megachrome crystal and megachrome coral bulbs. At first I was using Corals but it was too yellow to my eyes. Now I have changed ...
Jul 14 (7 months ago)
Coralvue mh socket
Do you sell just the sockets for the large lumen brite reflectors? I have the reflector itself but I need everything else. Thanks.
Jul 04 (7 months ago)
Infiniti Combo Ballast
I have a 48' Infiniti light 2 x 250w MH/4 x 54w T5 fixture. It is the older style that came with 2 combo ballasts Model# AC-MH250UVS. The metal halide portion on one of the ballasts quit working, whil...
Feb 13, 2017
Spot-style MH lighting
HI - I am wondering if they make and if you carry a spot-type MH fixture, something that I could focus onto a Zoa garden I am trying to propagate? Thanks.
Aug 31, 2016
do you know if these bulbs are still being manufactured? Sorry, the Elos MH lamps are no longer available.
Aug 17, 2016
Giesemann Parts
Joey, I sent your photos to Giesemann, waiting for them to get back to me. I can order the parts from Giesemann Germany, please let me know which model and length you have. Are you able to get parts ...
Aug 15, 2016
Giesemann Infiniti MH/T5 fixture
On this fixture it says that you can individually turn on each pair of T5 fluorescent bulbs individually. How is this done, because there is only the single power cord for the all the T5's ? The Gies...
Aug 11, 2016
24'' Giesemann Infinity light hanging kit
I am looking for the hanging kit for my 24'' Giesemann Infinity light fixture. Was told to get in touch with you guys in regards to seeing about cost and availability on this. Can you send me a price...
Apr 18, 2016
LuXcore 250w Selectable Wattage Electronic Ballast SKU: LC-DIM-250B
Hello, After a very long absence, I believe I will be able to finally get my 75 gal out of storage. I will need to do some upgrades on the MH. Currently only have 1 blueline 175 watt. I want to add a...
Feb 11, 2016
how do i know if the ballast is over driving or under driving? You would need to use a light meter and compare to your other units. 3 brand new bulbs seem much much more yellow than previous bulbs. Wo...
Feb 11, 2016
mh ballasts
how long do the ice cap ballasts typically last? Can last up to 10 years.
Feb 11, 2016
as long as the bulb fires up and runs, can i assume the ballast is working properly? how does one tell if the ballast is 'marginal'? There is no indicator for if the ballast is marginal, it either li...