Can these MH work?
- Thread starter c4haskett
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Wow, I'm not trying to be funny-- are those for theatrical stage lighting? Or a basketball court? I'm trying to imagine hanging them, so they don't ever come crashing down on your tank. Inquiring minds want to know! 
PPBlimpy
Valuable Member
I would look at the voltage. A lot of the high bay lights may run multi tap ballasts. Not many parts are useable.
in my opinion the reflectors are not going to do anything good for you with how bulky they are. the balast can be used possible along with the sockets.
I personally wouldn't waste the time. i have converted these fixtures for use and its a bunch of work.
what kelvin bulbs are you looking at running?
I have started to use the newer 315W Ceramic Metal halides found in hydroponics, they have adjustable output ballasts. 50/75/100/110% setting but the highest kelvin bulb is only a 10k.
With the stock reflectors @ 50% setting( approx 204W) I am seeing 540par half way down my 24" tall tank. 240 on the sand bed and 780 2" from surface measured with an apogee 420x.
At 100% in the same spots I measured half way down 730, sand bed 400, 1080 2" below.
I am running Noopsyche k7 IV for blue supplemental
I run 1 over my 54g corner with 2 noops
And 3 over my 7’ 210.
paid $150 for 5 MH fixtures and $59 for each bulb on amazon.
don't mind the cloudiness of the tank, only had water in it for 2 hours before i pulled out the apogee. couldnt help myself
in my opinion the reflectors are not going to do anything good for you with how bulky they are. the balast can be used possible along with the sockets.
I personally wouldn't waste the time. i have converted these fixtures for use and its a bunch of work.
what kelvin bulbs are you looking at running?
I have started to use the newer 315W Ceramic Metal halides found in hydroponics, they have adjustable output ballasts. 50/75/100/110% setting but the highest kelvin bulb is only a 10k.
With the stock reflectors @ 50% setting( approx 204W) I am seeing 540par half way down my 24" tall tank. 240 on the sand bed and 780 2" from surface measured with an apogee 420x.
At 100% in the same spots I measured half way down 730, sand bed 400, 1080 2" below.
I am running Noopsyche k7 IV for blue supplemental
I run 1 over my 54g corner with 2 noops
And 3 over my 7’ 210.
paid $150 for 5 MH fixtures and $59 for each bulb on amazon.
don't mind the cloudiness of the tank, only had water in it for 2 hours before i pulled out the apogee. couldnt help myself
OP
OP
c4haskett
Active Member
I'm not sure to be honest, they look like they were used as shop lights. Didn't know if it was worth the effort to try and use these on the tank. They are cheap, so I was just curious.Wow, I'm not trying to be funny-- are those for theatrical stage lighting? Or a basketball court? I'm trying to imagine hanging them, so they don't ever come crashing down on your tank. Inquiring minds want to know!
OP
OP
c4haskett
Active Member
PPBlimpy
Valuable Member
I love my noops. But I was reefing 20 years ago and always missed my halides. The combo of these new 10k CMH and the noops take me back to the 12-14k halide days.
I had 5 noops over my 210. Three were v2 pros and two v3s. I planned on selling them and upgrading to 8 of the IV pros but decided to test the halides out.
I am not happy with the combo on my 210 currently. I did the halides and cheap actinic bars from 21led and it’s no where enough actinic blue to offset the 10k. Tank looks yellow and dingy.
When I set up the 54g I wanted to go heavy on the sps decided to try the two k7 IV and the halide and I am in love!!! I will replacing the led bars on the 210 with K7 IV eventually.
Can’t beat the price for the noops at $139 each. There is a guy on here that has Basicly hacked the WiFi and built a new app to control the noops. Going to be playing with that soon
I had 5 noops over my 210. Three were v2 pros and two v3s. I planned on selling them and upgrading to 8 of the IV pros but decided to test the halides out.
I am not happy with the combo on my 210 currently. I did the halides and cheap actinic bars from 21led and it’s no where enough actinic blue to offset the 10k. Tank looks yellow and dingy.
When I set up the 54g I wanted to go heavy on the sps decided to try the two k7 IV and the halide and I am in love!!! I will replacing the led bars on the 210 with K7 IV eventually.
Can’t beat the price for the noops at $139 each. There is a guy on here that has Basicly hacked the WiFi and built a new app to control the noops. Going to be playing with that soon
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Last edited:
X-37B
Fight The Good Fight
They would work but not worth the effort. I have looked at a few of these types in the past and always passed. Maybe in a garage type setting but not in my living room, lol.
Look for a used MH fixture. Many just give them away now. I have several types and run a Lumenbrite with a 400 watt 20K bulb.
Look for a used MH fixture. Many just give them away now. I have several types and run a Lumenbrite with a 400 watt 20K bulb.
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