Tetra Pond GreenFree UV Clarifier, 36W, 8800 Gallons For Clean And Clear Ponds

Tetra Pond GreenFree UV Clarifier, 36W, 8800 Gallons For Clean And Clear Ponds
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Model: 19522
(15)
2 stores
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Product Details

Tetra Pond Green Free UV Clarifier works to keep your pond clean, clear, and free of unsightly green algae. As algae are pumped into the clarifier, they are exposed to ultraviolet light that destroys the reproductive ability of single-celled algae. The dead algae are then pumped out of the Tetra Pond Green Free UV Clarifier, where they clump and are removed by your pond's filtration system. Removes heavy algae blooms (usually within 8 days) and keeps the pond algae-free long-term. Tetra Pond Green Free UV Clarifier is durable, easy to conceal and installs in minutes. A viewing window makes it easy to ensure the UV bulb is working. Includes inch, 1 inch and 1 inch ID tubing adapters, as well as a 15 foot power cord. UL Listed. Replacement bulbs available replace every pond season (the bulb may continue to glow, but its effectiveness in killing algae diminishes). Since 1951, Tetra has developed the world’s most comprehensive body of fish food knowledge, and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need from a large variety of quality fish food and innovative equipment to test kits and decor.

UV Clarifying Light: Ultraviolet clarifier controls heavy algae blooms in ponds and water gardens and keeps water clean and green-free. High-Efficiency UV Bulb: Includes UV bulb for up to 11 months of continuous operation. Reflective Surface: Includes reflective stainless-steel insert that increases UV exposure. 4 Available Size: For ponds up to 660 gallons, up to 1,800 gallons, up to 4,400 gallons and up to 8,800 gallons.

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Last Updated: 2025-10-10 14:29:41

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Product Specifications

Technical Details

Manufacturer -
Brand Tetra Pond
Item model number 19522
Color Multicolor
Weight -
Height -
Depth -

Additional Product Information

Product Id 2766354
User Reviews and Ratings
3.9 (15 ratings)
3.9 out of 5 stars
UPC 046798195221

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Tetra Pond GreenFree UV Clarifier, 36W, 8800 Gallons For Clean And Clear Ponds
Reviews: 15
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Top User Reviews and Ratings (4 total reviews)

(5)
Reviewed in the USA on Jun 23, 2023

Works great. FYI used thread tape on threaded fittings. I say this because I see people complaining about leaks. I myself haven't had any. Algae is gone in a couple of days. Crystal clear!

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Jun 09, 2017

Had very green water in my small pond. Bought the Greenfree UV and a week later the water is clear.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Apr 20, 2016

I bought this product because the filter I had with the UV light built in failed on me. The filter still works great its just the light unit no longer works, after only 3 years. I didn't want to get rid of the filter so I purchased the UVC-18 Clarifier. I had only just set it up and realized there was no Purple Light indicating that the bulb was working. I waited till evening to check incase it was a dim display or something. Still no light. The next day I unhooked it checked to make sure it was all put together and the bulb was properly installed, it was. I called the 1-800 help line and got to speak to a Tech. It appears the safety stitch was not turning the light on. The Tech told me how to fix it and it worked. Now it is working great. Hopefully it will only take a few days to get my Pond back to crystal clear status. I enjoy the sturdy construction of this unit. It feels like it will last and no cheap plastic at all. Only time will tell. I have a few other products from Tetra and all are working great. I have a Tetra pump it is still going strong even after 5 years!

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Sep 11, 2013

After fighting algae for 2 1/2 yrs in my 5000 gal pond with 90 deg weather I was about to fill it in and do away with it. I had heard about a UV classifier but never looked in to it very far. I started reading about them and decided to give it one more chance and purchased a UV classifier. I was amazed. After about week or 10 days later it started clearing up and it has been crystal clear ever since and that is going on 5 weeks now. Both the fish and plants are happier now.

Anonymous • Review provider: walmart.com