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Zoo Med UltraSun Daylight Compact Fluorescent Bulb, 10-Watt

3.0 out of 5 stars 79 customer reviews

List Price: $10.19
Price: $8.79 & FREE Shipping on orders over $49. Details
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  • 6500K Super Daylight lamp (10 watt)
  • Simulates natural sunlight
  • Excellent for Nano tanks
  • Self ballasted compact fluorescent lamp
13 new from $8.78 1 used from $8.98

$8.79 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Zoo Med UltraSun Daylight Compact Fluorescent Bulb, 10-Watt
  • +
  • All Glass Aquarium AAG20007 Inc Economy Hood, 16-Inch
  • +
  • Aqueon 06080 QuietFlow 10 Power Filter, 100GPH
Total price: $29.77
Buy the selected items together

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  • Buy Used and Save: Buy a Used "Zoo Med UltraSun Daylight Compact Fluorescent Bulb..." and save 11% off the $10.19 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Product Description

6500K Super Daylight Self Ballasted Compact Fluorescent Lamp. Simulates Natural Sunlight, Brings Out The Full Colors Of Fish. Excellent For Use With Nano Tanks, Marine Aquariums, Planted Tanks, Hermit Crab Tanks and Community Tanks. Fits Standard Medium Base. Size: Mini/10 Watt.

Product Details

  • Product Dimensions: 4.5 x 2.2 x 6.5 inches ; 9.6 ounces
  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B003QZF7JA
  • Item model number: ULCF1
  • Average Customer Review: 3.0 out of 5 stars  See all reviews (79 customer reviews)
  • Amazon Best Sellers Rank: #25,398 in Pet Supplies (See Top 100 in Pet Supplies)

Important Information

Directions
LAMP CONTAINS MERCURY:Manage in Accord with Disposal Laws, See: www.lamprecycle.org

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

These bulbs are Awesome! Bought 3 for my 20 gallon high planted tank. They are strong enough that my plants have grown 2-3 inches in less than a month! They are bright for my size tank anyway. If anyone wants to know the lumens of these bulbs, it is 480 lumens. Contacted manufacturer for the information. The reviewers who are giving low reviews because the bulbs came broken, come on those are shipping and handling issues! Reviews should be about the quality of the product
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I use this for my canaries, works well. is bright but not blinding bright. I just wish it wasn't so long. I got an extra for my planted tank but it overhangs the edge of my light unit making it impossible to use for that. I may get a new unit at some point and see if this bulb is any good on supplementing my plants.
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INITIAL IMPRESSIONS

I just received these bulbs in the mail today so I can't really speak to there long-term use. I thought I would share a couple of my initial impressions. I will update this review in a few months.

These bulbs seem to have very good build quality. They have a nice sized heat sync and seem very sturdy. They have two tubes that come out of the base and loop back around to the base in a square-shaped pattern.

They light they produce seems to be right at or near 65500k - which is what you want for plants. However, I don't think they are bright enough to grow any but the lowest of light requring plants (anubias and java fern). My main complaint with them and the main reason I gave them four stars is that they are not that bright. At 10W they are no where near as bright as the 13w 6500k CFL bulbs I purchased at Menards. They are ok for non-planted tanks or a few low light species tho.

The main reason you would get this (and the reason I got them) is to got in a fixture that cannot fit the normal twisted CFL bulbs. I purchased these for a friend's tank that was purchased at walmart. The hood has two incandescent screw-type sockets with a splash guard over them. They space between the sockets and the splash guard is too tight to fit a traditional screw-typ CFL. These bulbs work great in this application and are much better than any normal incandescent you could use.

Updates to come.
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The light bulb was great... until it went out. I got it on March 24. And it went out may 19th. So upset. I'm going to try to get in contact with this seller considering it says it's supposed to last a year then maybe I can write a good review. Only lasted less than 3 months. Not even half a year!?
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I great light bulbs glad i order extra , so that when 1 burns out I can replace it with another. The bulb fits in the aquarium hood and the lighting is bright. Because its for aquariums, water will cause it to burn out. Like I stated I'm glad I bought extra.
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I gave this expensive lightbulb three stars because while there's nothing wrong with the quality of the bulb, and it did what it was supposed to, the light was so bright and glare-y that I felt kind of sorry for making my fish live under "klieg" lighting. So. Good bulb, no complaints there. I just didn't care for the bright blue light in my aquarium.
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put this light in my light fixture. four days later it was no longer working. Took to an electrician to make sure it should have worked in my set up- it was not operator error. The transformer burned up- but was told it should not have happened. I have ordered a replacement and am sending the original back. Hoping for a better result this time.
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It's great while it works, however I have had terrible luck for any of these lasting close to a year. My tanks are on timers for a handful of hours of light at night so they aren't being heavily taxed by being on all the time. Some of my other bulbs have last far longer than this one.
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