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Aquatic Philosopher
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I run Ushios, great bulbs, but I second Holy's suggestion from getting them from a TRT sponsor or at least a more established retailer. I just do not trust ebay.

For example, I found that bulb for $49.99 at a Ca/LA based (major) retailer.
 

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Aquatic Philosopher
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Ushio 20k bulbs are awesome.. I have always ran them or Hamilton and had great growth and bulb life..
:thumbup: :thumbup ::thumbup: :thumbup: :thumbup: :thumbup:

Yep, I really prefer their "purple" to a Radium's blue. Ushio keeps the white-purple crisp rather than washing everything out with blue, blue and more blue.

Great bulbs
 

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:thumbup: :thumbup ::thumbup: :thumbup: :thumbup: :thumbup:

Yep, I really prefer their "purple" to a Radium's blue. Ushio keeps the white-purple crisp rather than washing everything out with blue, blue and more blue.

Great bulbs
Last longer too I've found as well but I only run them 6-8hrs a day then let everything rest on the actinics and eat.....
 

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Discussion Starter · #7 ·
thanks, i still have the old bulbs- the problem is that i dont know how old they are? is there a way to check if the bulbs are still good?
 

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Aquatic Philosopher
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A PAR meter could tell you but that is more expensive than 4-5 bulbs
 

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Discussion Starter · #9 ·
pass on the meter :) will try to find if any lfs have that meter and maybe they will let me use it :)
 

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Aquatic Philosopher
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I can see from the pics that those bulbs have a fair amount of soot on them... they are old-ish at least
 

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No no no,the bulbs give off radiation just like the sun. Could cause blindness and burns. Cook your tank and furnishings. you will put yourself, your family and your tank in danger.
 

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Discussion Starter · #18 ·
Don't USHIO bulbs come with a UV protection shield built into them ?
I thought these days all the bulbs come with it
 
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