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Green water, or planktonic algae can be a persistent problem in many small ponds and ask any small pond owner and they’ll tell you how frustrating it can be.
There are a handful of suggested treatments for green water but perhaps none of them are mentioned more than UV light. UV has a good track record on green water and it’s widely promoted as a treatment for algae. That however is a pretty broad statement and the correct and more specific description would be that it’s a good treatment for planktonic algae.
I talk with a lot of pond owners every year however that already have uv installed but they’re still running into problems. In this week’s video I cover several reasons why uv might not be working and what you can do to improve it’s performance. Or to find out if it’s right for your particular situation.
[youtube width=”425″ height=”355″]http://www.youtube.com/watch?v=In6IkntMASY&feature=youtube_gdata[/youtube]
As a side note…we’ve just lowered our prices on all of our UV units (when we get a better deal we pass it on!) so if you’re having an issue with green water, check out the Aqua Ultraviolet UV Systems and find the one that’s right for your pond.
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can you use the UV light as a stand alone unit, not connected the a filter?
Hi LA,
You could, but I do think they tend to work best with a biofilter since they help to clump single cell algae together. Without a filter, there wouldn’t be anything to catch these and remove them from the water.
Take care,
Mark