Replacement UV Bulbs

TetraPond UV clarifier bulbs
  • TetraPond UV clarifier bulbs
  • Pond UV Clarifier Bulbs
  • Pond UV Clarifier Bulbs
  • Pond UV Clarifier Bulbs
Product No. 19526-00

$19.99 - $41.99

Buy Now Find a Store UV Bulb 18 Watt Out of StockUV Bulb 9 Watt, UV Bulb 36 Watt In Stock

High-efficiency ultra-violet bulbs for Bio-Active Pressure Filters with UV.

Available sizes:

  • 5-watt bulb
  • 9-watt bulb
  • 18-watt bulb
  • 36-watt bulb

will 9 watt fit into the same receptacle as a 5 watt/ ?

Asked by: gators
No, it will not, it will be too long. BREX
Answered by: BREX
Date published: 2017-07-31

My filter doesn't use the size of UV bulb that's showing in your list. It uses a smaller bulb than the 18 watt, I know because I ordered on, but it has 4 electrodes. It's probably an older model. Are those ones still available?

Asked by: Gordon64
We're happy to look into this for you, Gordon64. Please give us a call at 1-800-526-0650.
Answered by: Tetra Expert
Date published: 2017-07-11

Can I use a 18 watt uv bulb to replace a 9 uv watt bulb in a Tetra 1500 filter?

Asked by: Mrbt
No, you cannot. The higher wattage would be dangerous, if it even was able to work. BREX
Answered by: BREX
Date published: 2017-07-06

Hi there! I have a 36 watt unit I believe is from 2009, dark green. It is fed with 2" flex pipe and I think it is reduced to 1.5". Will the 36w bulb here replace mine? (btw, Mine looks nothing like your current 36w Clarifier). Thank you Thank you!

Asked by: PondDude555
If you actually have our unit, then yes, this bulb will fit your unit, regardless of age. BREX
Answered by: BREX
Date published: 2017-05-25

what base does PL-L 18 watt UV bulb have? is it a 2G11 base or a G11 base? Is the one of the standard length uv bulbs or one of the newer shorter length bulbs from Tetra?

Asked by: pondguppy
It is a 2G11; standard length. BREX
Answered by: BREX
Date published: 2017-04-10

Does anyone sell UV sleeves for Tetra Pond UV 5 watt clarifier item # 16795?

Asked by: KBarry
Yes, many garden centers do, you would need to scroll down to the Buying Options tab at the bottom of any page on our site, and click on it, then click on Dealer Locator. Enter your zip code. Online, www.123ponds.com and www.pondparts.com are good resources, as is www.webbsonline.com. BREX
Answered by: BREX
Date published: 2017-04-03

I have a 20 gallon tank it turns green after a month.

Asked by: kshumac2002
Green water is a sign of excess nutrients. Cut back on the amount of food you are feeding, vacuum and change 30% of the water at least monthly (once or twice a week until tank balances, then monthly), and add Tetra SafeStart Plus to help balance the tank. BREX
Answered by: BREX
Date published: 2017-03-22

Hello, i need a replacement clarifier for my 1500 tetra filtration pump.  The part number on the burned out bulb is 141013, and the bulbs have 4 straight pins at the bottom.  I ordered a 9 watt UV bulb, but it has two pins, and doesn't fit.  thanks

Asked by: hollyhagan
We appreciate your support of this product! We do make two different 9 watt bulbs as we have one for our Greenfree Clarifier as well. You need item 16787 if you have the Bio Active Pressure Filter. This filter is black with a green top. BREX
Answered by: BREX
Date published: 2017-04-23
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