Radium metal halide bulbs will not be produced anymore!

Reefering1

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I agree, and tank size makes alot of difference too. A rimless 20g tank might look crazy with one of those on it, but a sleek/ small led fixture almost disappeared. Most people like what looks cool. The giesmans look awesome over something smaller/ open top
 

BeanAnimal

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There were not a lot of open tops back in the MH days. They were kinda ugly. The ReefOptix and lumenbright, lumenmax, lumenarc, all came toward the end. Many folks ran no reflectors or simple bent metal, often white. Most people ran with hoods.
 

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Odd but whatever works. I guess it depends on the size of the tank too. A lumenarc or lumenmax or two over a 4 foot is awkward. tThe ReefOptix III looked okay. The form factor was a more matched to most tanks that size. I don’t think they are still available.
Haha you just can’t help yourself.
 

aquavista99

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Anyone have luck using 20k radiums on Reefbrite 400 watt electronic ballasts? Years ago, I tried to use 250 watt radiums on an original 250 watt Ice Cap electronic ballast to no avail (bulbs would not fire up at all).

I have a stock pile of newer 400 watt Reefbrite electronic ballasts. Hopefully Hamilton 400 watt 20k bulbs will become available again too (or something comparable for electronic ballasts).

1709262119184.jpeg



1709262037038.jpeg
 
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DenverSaltyFarm

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I have a stock pile of newer 400 watt Reefbrite electronic ballasts. I have been waiting for Hamilton 400 watt 20k bulbs to be available again. Anyone have luck using 20k radiums on Reefbrite 400 watt electronic ballasts? Years ago, I tried to use 250 watt radiums on an original 250 watt Ice Cap electronic ballast to no avail (bulbs would not fire up at all). Hopefully 20k Hamilton bulbs will be available again too.

1709262119184.jpeg



1709262037038.jpeg
I have some 400w 20k Radiums coming in this Saturday and will try them with a digital ballast meant for the grow industry. They should work no problem as their site states only m80 magnetic ballast or a digital ballast. Ill report back when I get them
 

BeanAnimal

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Buddy started messaging me right now trying to get me going. What an absolute lunatic.
No - I messaged in private instead of engaging you in public and told you to grow up and keep your snipes to yourself or put me on ignore if you don't like me. Posting here in public trying to play to a crowd is exactly why. My advice stands. If you have issues with it, DM me, but keep it out of this thread.
 

BeanAnimal

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I have some 400w 20k Radiums coming in this Saturday and will try them with a digital ballast meant for the grow industry. They should work no problem as their site states only m80 magnetic ballast or a digital ballast. Ill report back when I get them
I have not looked at or edited this content in over a decade ad can't remember how much detail we went into, but it may help some of you.


A large portion of the technical information and drawing are courtesy of @PaulErik. He knows more about ballast and lamp topology than anybody I have ever met.
 
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A. grandis

A. grandis

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I have never heard people assuming you worked for hamilton. I assumed that you were associated because of your absence of response to my point (that metal halide bulbs are waaaaaaay overpriced by companies including the one you are friend with.)
Oh no.. I agree with that! But my point in that first context was in comparison to LED prices. Yes, they should charge way less for aquarium halide lamps! It shouldn't be much different than other halides lamps that we find available for other applications in terms of investment. Except for the fact that they can now use the term "specific for aquariums" and label with a nice wrap for the purpose. That happened since the beginning, in the 90's, as we know. But to be specific for aquarium purpose became important now, because of the ban in Europe, that forgives only lamps made for "specific purposes". Another excuse, now more than never, is the fact that they produce much less numbers now due to the much smaller demand, in comparison to what was produced before. The numbers are still very small for them to invest in fixtues and bring back the ballasts too. ReefBrite is doing better in that regard, producing magnetic ballasts and the reflectors! Well... if we need to pay a price to have them making the bulbs, we will depend on them too, so... Still, comparing with the prices that we had many years ago, $60.00 is nothing today. Not too long ago I got some new in box old stock Iwasakis for $90.00 each. I just hope the new brand to be as Hamilton was in terms of quality. They were not like the German bulbs, but impressive comparing to most others made Japan. The main thing I liked about Hamilton was their customer service, and that will be maintained, as the new owner is one of the former employees that used to work there!
 

BeanAnimal

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Anyone have luck using 20k radiums on Reefbrite 400 watt electronic ballasts? Years ago, I tried to use 250 watt radiums on an original 250 watt Ice Cap electronic ballast to no avail (bulbs would not fire up at all).

I have a stock pile of newer 400 watt Reefbrite electronic ballasts. Hopefully Hamilton 400 watt 20k bulbs will become available again too (or something comparable for electronic ballasts).

1709262119184.jpeg



1709262037038.jpeg
I am curious as to what circuit these are using. Also, I think there were actually a few versions of that "Original" icepcap ballast. Despite the shiny exterior, they were a rob peter to pay Paul operation and scrambled for money for parts for production runs. As it were, they had many vendors that they were out of credit with and and to source alternatives.
 

djf91

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No - I messaged in private instead of engaging you in public and told you to grow up and keep your snipes to yourself or put me on ignore if you don't like me. Posting here in public trying to play to a crowd is exactly why. My advice stands. If you have issues with it, DM me, but keep it out of this thread.
Snipes?

Whatever you say, buddy.
 

Hurricane Aquatics

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Will be listing the following.

(1) Reef Brite 250w Metal Halide 36" dual bulb - DE fixture (Like New with box, no LED side lights)

(2) Reef Brite 150w/175w/250w Digital Electronic, selectable Metal Halide Ballasts (Like New in box, I have 2)

(2) Hamilton Cayman Sun MH 250w Reflectors Fixture - (Brand new in box)

(14) Hamilton 250w DE 14k & (3) 20k bulbs - (NEW in box) - I have 14, 14k de bulbs and 3, 20k de bulbs.

If you have questions, PM me so I don't derail this thread.
 
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A. grandis

A. grandis

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Anyone have luck using 20k radiums on Reefbrite 400 watt electronic ballasts? Years ago, I tried to use 250 watt radiums on an original 250 watt Ice Cap electronic ballast to no avail (bulbs would not fire up at all).

I have a stock pile of newer 400 watt Reefbrite electronic ballasts. Hopefully Hamilton 400 watt 20k bulbs will become available again too (or something comparable for electronic ballasts).

1709262119184.jpeg



1709262037038.jpeg
The new company Aqua Bright Solution told me they will produce the bulbs just like the Hamilton was. Hold up and don't get rid of your ballasts!
 

BeanAnimal

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Oh no.. I agree with that! But my point in that first context was in comparison to LED prices. Yes, they should charge way less for aquarium halide lamps! It shouldn't be much different than other halides lamps that we find available for other applications in terms of investment. Except for the fact that they can now use the term "specific for aquariums" and label with a nice wrap for the purpose. That happened since the beginning, in the 90's, as we know. But to be specific for aquarium purpose became important now, because of the ban in Europe, that forgives only lamps made for "specific purposes". Another excuse, now more than never, is the fact that they produce much less numbers now due to the much smaller demand, in comparison to what was produced before. The numbers are still very small for them to invest in fixtues and bring back the ballasts too. ReefBrite is doing better in that regard, producing magnetic ballasts and the reflectors! Well... if we need to pay a price to have them making the bulbs, we will depend on them too, so... Still, comparing with the prices that we had many years ago, $60.00 is nothing today. Not too long ago I got some new in box old stock Iwasakis for $90.00 each. I just hope the new brand to be as Hamilton was in terms of quality. They were not like the German bulbs, but impressive comparing to most others made Japan. The main thing I liked about Hamilton was their customer service, and that will be maintained, as the new owner is one of the former employees that used to work there!


1 - yes things get marked up for niche markets that are otherwise sold as-is to larger industry. Part of that however is volume based.

2 - without the markups, the vendors selling to THIS hobby would never survive at the low volume they are turning over. At the same time no manufacturer is going to give you the time of day for a small order of 10 bulbs or even 200 bulbs.

3 - There were several companies that were in-fact having bulb runs done with specific phosphors for THIS hobby. A line that was doing thousands of 10K street lamps a day for $20 each has to be paused for the jobber run of 500 lamps with a different phosphor and screen print, etc. The jobber pays $40 per bulb and a job setup fee of some amount that has to be backed into the bulbs as well. Likewise, the aquarium lamp vendor is now taking on huge risk for a SMALL market, so as in point #2 the markup has to be substantial to keep the vendor afloat.

Is there greed involved? Sure, but not to the extent that most of you think.

The calculus is even worse now, as these really are a niche product with no easy means of production. I assume there are still a handfull of poorly spec'd China lamps to choose from if one looks hard enough though.

Best case is one or two shops pop up to do jobber runs of custom lamps. The price will be high, but they will have a small steady stream of business.
 
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X-37B

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I paid that much for 2 m80s and 2 beautiful 16" fixtures(forgot the name) from Sven, here on r2r. I'm saving them for my next tank, currently using cayman suns
Yea those were mine. Glad you are going to put them to good use. Those are some of the best fixtures ever made, imo.
Here they are in action with a little halide candy, lol.

20220107_130232.jpg
20220106_131923.jpg
 
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BeanAnimal

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I have some 400w 20k Radiums coming in this Saturday and will try them with a digital ballast meant for the grow industry. They should work no problem as their site states only m80 magnetic ballast or a digital ballast. Ill report back when I get them
I think you will get better output/color from the M80.
 

rc1626

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I have some 400w 20k Radiums coming in this Saturday and will try them with a digital ballast meant for the grow industry. They should work no problem as their site states only m80 magnetic ballast or a digital ballast. Ill report back when I get them
If the bulbs are 400w then you will need an ANSI code m135/155 ballast or 400w electronic ballast. The m80 is for 250w Radium’s.
 

Madison Reef

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I honestly don’t think metal halide pendants look bad, I actually prefer them to LED.
I have the same model but without the pendants. Pendants does make it look prettier. Wish pendant version is still around.
Odd but whatever works. I guess it depends on the size of the tank too. A lumenarc or lumenmax or two over a 4 foot is awkward. tThe ReefOptix III looked okay. The form factor was a more matched to most tanks that size. I don’t think they are still available.
I actually use 2 x lumen bright mini version on my 75 gallon and it doesn't bother my eyes.
No - I messaged in private instead of engaging you in public and told you to grow up and keep your snipes to yourself or put me on ignore if you don't like me. Posting here in public trying to play to a crowd is exactly why. My advice stands. If you have issues with it, DM me, but keep it out of this thread.
Thank you for keeping it out of this thread. I really do appreciate your decision to do so.
I have not looked at or edited this content in over a decade ad can't remember how much detail we went into, but it may help some of you.


A large portion of the technical information and drawing are courtesy of @PaulErik. He knows more about ballast and lamp topology than anybody I have ever met.
I haven't finished reading your article yet and only skimmed part of it so far but wow very well written article with lots of juice. Thank you so much for sharing this with us!
Oh no.. I agree with that! But my point in that first context was in comparison to LED prices. Yes, they should charge way less for aquarium halide lamps! It shouldn't be much different than other halides lamps that we find available for other applications in terms of investment. Except for the fact that they can now use the term "specific for aquariums" and label with a nice wrap for the purpose. That happened since the beginning, in the 90's, as we know. But to be specific for aquarium purpose became important now, because of the ban in Europe, that forgives only lamps made for "specific purposes". Another excuse, now more than never, is the fact that they produce much less numbers now due to the much smaller demand, in comparison to what was produced before. The numbers are still very small for them to invest in fixtues and bring back the ballasts too. ReefBrite is doing better in that regard, producing magnetic ballasts and the reflectors! Well... if we need to pay a price to have them making the bulbs, we will depend on them too, so... Still, comparing with the prices that we had many years ago, $60.00 is nothing today. Not too long ago I got some new in box old stock Iwasakis for $90.00 each. I just hope the new brand to be as Hamilton was in terms of quality. They were not like the German bulbs, but impressive comparing to most others made Japan. The main thing I liked about Hamilton was their customer service, and that will be maintained, as the new owner is one of the former employees that used to work there!
Oh I see what you mean now. I was mistaken; My apologies.
I agree with you that "for aquarium" sticker should not magically make it more expensive.
It was that you promoted your friend's company despite the fact that there exists another source from UK that sells significantly at a lower price as that said company sells all sorts of bulbs including Radium. To them Radium is just another bulb.

Has anyone tried 6500k bulbs that is intended for horticulture? for example, Hygro 6500k bulbs?

If you paid $90.00 for each Iwasaki bulbs, I'm sorry to say this but you got ripped off. Better find a better source (pun not intended).
 

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