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Product Description
This 18 W UV Clarifier is an above the ground unit that can clarify water in a pond up to 3,000 gallons. As water flows through the clarifier it is hit with UV light and clumps up algae so it can be filtered out of the pond by your filter.
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Most Helpful Customer Reviews
12 of 12 people found the following review helpful
Amazon Verified Purchase
I heartily agree with other reviewers about how great this product is, and wanted to add one note: if you install it in the daytime (especially a sunny or bright day), it's very hard to see the UV lamp come on through the "test" window. Wait until it's darker to check if it's shining (it's like a pale blue light). Also, if you take the lamp out of the casing and try to turn it on, it won't - since the UV light is harmful there is an auto switch off when removed from the casing.
UPDATE: The light does what it says it will but a caveat to those who are just getting into ponding: A UV light does not really solve algae problems (especially string algae), you need plants (to compete with the algae for food) and some barley straw/biological additive for that. Also, anything small enough to pass through the UV light (including fish fry and beneficial bacteria) will get zapped by the light.
UPDATE: The light does what it says it will but a caveat to those who are just getting into ponding: A UV light does not really solve algae problems (especially string algae), you need plants (to compete with the algae for food) and some barley straw/biological additive for that. Also, anything small enough to pass through the UV light (including fish fry and beneficial bacteria) will get zapped by the light.
8 of 8 people found the following review helpful
Amazon Verified Purchase
I have a small leak where the power cord comes out, but I'm working with Sunterra to see what I can do about it. Otherwise, my 125 gallon pond is getting clearer after a week. I can't see the bottom yet, but I'm hopeful. I had to play around a bit with the water flow to make sure that it was going through at a fast enough rate, but slow enough to sterilize. I've also been gently rinsing the filter daily. One word of advise if you have a small pond - an automotive heating hose works great. It was the right size for the filter and the clarifier (which were both different sizes - it stretches) and has a stronger flow and a tighter seal (even without the hose clamps) than a regular pond hose. They're also only about 6 bucks for six feet.
Well, it's been about a month since the first paragraph. The light box blew out and it stopped working. I sent a copy of my receipt to Sunterra, as they requested, but haven't gotten an answer yet. I'm probably going to buy the fish mate filter/uv combo and cut my losses.
Well, it's been about a month since the first paragraph. The light box blew out and it stopped working. I sent a copy of my receipt to Sunterra, as they requested, but haven't gotten an answer yet. I'm probably going to buy the fish mate filter/uv combo and cut my losses.
8 of 8 people found the following review helpful
Amazon Verified Purchase
This clarifier cleared up the water in my 50 gal pond in just a couple days. Continued to work great for just over 30 days when the bulb went out. Couldn't return it to Amazon because it was over 30 days but a quick call to Sunterra resolved the issue with a replacement bulb. Sunterra customer service was very pleasant and efficient.
Most Recent Customer Reviews
Sunterra 18 watt UV clarifier
http://www.amazon.com/gp/product/B0015A2NMC/ref=cm_cr_rev_prod_title
The Sunterra has made a big difference in water clarity in my 1500 gallon pond. Read more
The Sunterra has made a big difference in water clarity in my 1500 gallon pond. Read more
Published 10 days ago by DRS
Some Helpful Info
I bought this almost a year ago and was very pleased with it. My set-up is pretty simple. I have a Pondmaster submersible pump which is supposed to be 950 gallons per hour, which... Read more
Published 15 days ago by Mary
Sunterra 18-watt UV Clarifier
My Koi Pond was so green with algae that you could not see the Koi. Within three days after intalling the Sunterra UV Clarifier, you can now see the Koi clearly. Read more
Published 26 days ago by barok
No more green water!
Awesome product for the cost, it works great. Cleaned out pond for the spring, power washed and changed water in my 400-gallon concrete pond. Read more
Published 1 month ago by Mr. T
One year... and still wonderful!
Bought this clarifier last season... water cleared up in two days. I had been using various chemicals to try to control algae... Read more
Published 1 month ago by A HaileSelassie
WOW !!! Incredible results for little money
Our pond looked like pea-soup.
Tried everything from chemicals (not such a good idea) to barley.
Nothing seemed to work. Read more
Tried everything from chemicals (not such a good idea) to barley.
Nothing seemed to work. Read more
Published 8 months ago by Marc Leydecker
Actually works....
Purchased the Sunterra 18 watt UV about 3 weeks ago and it cleared up the water in my pond in about a week, I have a pond that is about 450 gal. Read more
Published 9 months ago by jim t
Cleared my pond in 2 days
I've been running a 600 gal pond for the past two years. I've been struggling with cloudy algae filled water for almost that whole time. I've tried mechanical filters. Read more
Published 9 months ago by kp1958
Good Dis-Green Product
It is sufficient to turn my 2000-gallon green pond (because of the algae) into a clear swimming pool for my fishes. Good price and adequate function.
Published 9 months ago by samsun
Sunterra 18V UV Clarifier - Best item I've purchased for my pond!
I purchased this product last month and it worked so efficiently that two of my friends also purchased one for their ponds. Read more
Published 9 months ago by Mugsie4649
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