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Old 03-31-2009, 09:11 PM
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Default Lighting Question

I purchased a 36" dual 39w 12000k light from catfish lighting a bit over a year ago, both bulbs have now blown. Where do i get replacements? Can i put higher or lower watt bulbs in that fixture? I recently tore down my viv mainly due to plants not surviving the low light and some problems with moisture. Anyhow~ If anyone has input on this please feel free to help.
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Thom O.
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Old 03-31-2009, 09:27 PM
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Default Re: Lighting Question

I think you should be able to put lower watt bulbs for sure, just check on the fixture and it should tell you a max rating wattage.
I think you can get fairly inexpensive replaces from home reno stores like Home Depot and Rona that are rated at 6500K and work well for plant growth.
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Old 04-02-2009, 12:56 AM
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Default Re: Lighting Question

How many bulbs would you get for a 20g H tank?
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Old 04-02-2009, 03:56 PM
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Default Re: Lighting Question

Quote:
Originally Posted by veiledchamguy View Post
How many bulbs would you get for a 20g H tank?
For a 20H (24 1/4 x 12 1/2 x 16 3/4 inches), you could add several compact fluorescent bulbs. All depending on how you want your plants / temperature to be effected. For instance, I have a 36 x 18 x 18... a little different I know, but I've got 7 general electric 26 watt (75 watt replacement) 6500k bulbs (daylight). In my 18 inch cube I only have 2, and the plants are doing fine... the large tank remains around 75 degrees F all day, while the smaller tank is around 73...

If you plan on using the larger fluorescent bulbs, I'm sure you could get by with just one 24 inch 6500k daylight bulb, but two would be key for faster plant growth...

sorry if the post is a little messy... hope that helps.
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Old 04-03-2009, 12:55 AM
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Default Re: Lighting Question

Quote:
I purchased a 36" dual 39w 12000k light from catfish lighting a bit over a year ago, both bulbs have now blown. Where do i get replacements? Can i put higher or lower watt bulbs in that fixture? I recently tore down my viv mainly due to plants not surviving the low light and some problems with moisture. Anyhow~ If anyone has input on this please feel free to help.
Thanks,
Thom O.
Hd and Lowes might carry them. Most fish stores do. And then theres places like 1000bulbs.com. I wouldn't buy the lower watt bulbs IMO. The ballast is made to power the 39s
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Old 04-07-2009, 12:09 AM
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Default Re: Lighting Question

Thank you for your suggestions. Now it said when i purchased that they were T-6 bulbs, but all i seem to find are T5 more than T6, does it matter at all?
Thom O.
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Old 04-07-2009, 12:25 AM
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Default Re: Lighting Question

im having a hard time making sense of your post. what size light fixture do you have? im not familiar with t-6s but if the pins on the bulb are the same distance apart as a t-5 bulb then the two bulbs should be interchangeable in both fixtures. the differences between a t-5 and t-6 bulb are so small that you probably wouldn't notice a difference in lumens if their wattage is the same, although the t-5 will be slightly brighter and cooler temp.
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Old 04-07-2009, 01:57 AM
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Default Re: Lighting Question

The light/fixture was described as a 36" Aquarium T-6 Dual Strip H.O. Light 78W. I purchased it on Ebay alittle over a year ago. One more thing, is it typical for the bulbs to only last about a year?
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Old 04-07-2009, 02:36 AM
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Default Re: Lighting Question

my 36" t-5 bulbs are 20,000 life hours i believe. so thats about... 4 years at 14 hours a day. im sure HO bulbs die faster but a year does sound short, i'm glad now that i'm not using them.
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