UV Bulbs, Sleeves and Transformers · Filter Media ..



This first picture to the left demonstrates the anti-oxidizing abilities of a true level one capable UV Sterilizer utilizing a (note that the majority of lamps sold now are medium pressure UV lamps with 1/4 the UVC output).
Using Potassium Permanganate, which is an oxidizer in both a control tank (left tank) and one utilizing an AAP Compact UV with a HO UVC Lamp (right tank).
As Potassium Permanganate is reduced, it goes from red to brown to clear. It is easy to see that the UV Sterilizer tank goes through these stages well ahead of the control tank.The implications demonstrate a true UV Sterilizer's ability to lower oxidative stress on fish and other inhabitants (including plants & corals) and work to provide a better Redox balance as well as known disease prevention & clarification abilities.

The second picture demonstrates clarification with a before and after picture of an aquarium with green water; As well as a comparison between a green pond without UV Sterilization and one of our client's ponds with a UV Sterilizer/ClarifierThe picture below further pictorially displays how a TRUE UV Sterilizer can help not only with clarification of an aquarium/pond with an assumed healthy bio filter (which should be but a minor reason to own a TRUE UV Sterilizer). It is noteworthy that clarification/green water control is much more effectively accomplished via a True UV Sterilizer over the majority of UV Clarifiers marketed as UV Sterilizers.
HOWEVER, and , a TRUE UV Sterilizer helps with disease prevention & Redox Balance (via proven lowering of oxidative stress) when properly connected (meaning flow rate, pre-filtration, etc.) and properly maintained by replacing with high output UV lamps/bulbs (not the economy replacement lamps/bulbs sold by discounters that have as little as 25% of the necessary UVC as a HO UV lamp).
This is the thrust of this article, as while it is certainly a good tool for green/cloudy water especially in ponds (assuming the bio filter is healthy), it is this Sterilization/Redox Balance aspect that years of hands on use in 1000s of applications has made the difference.
Further Reading: Please click to enlarge for a better view.
This of course is a simplification, so please read the along with cited references for a better understanding so as to make a more educated decision of whether a true high dwell time UV Sterilizer is for you or maybe just a Clarifier or nothing at all!

UV Sterilizers and bulbs are safe for freshwater, ponds, and saltwater aquariums;

Size Your Replacement UV Bulbs for Ponds
Step 1: Identify your bulb's base to verify that it matches the picture.
Step 2: Locate your bulb's wattage.
Step 3: Measure your bulb end to end (including pins) to confirm which replacement bulb is correct for you.

UV Light For Treating Green Water Algae In Ponds - YouTube

Size Your Replacement UV Bulbs for Ponds Step 1: Identify your bulb's base to verify that it matches the picture Size Your Replacement UV Bulbs for Ponds
Step 1: Identify your bulb's base to verify that it matches the picture.
Step 2: Locate your bulb's wattage.
Step 3: Measure your bulb end to end (including pins) to confirm which replacement bulb is correct for you.

Can UV light effectively treat green water algae in small ponds

Size Your Replacement UV Bulbs for Ponds
Step 1: Identify your bulb's base to verify that it matches the picture.
Step 2: Locate your bulb's wattage.
Step 3: Measure your bulb end to end (including pins) to confirm which replacement bulb is correct for you.

Shop UV Bulbs By Watt: The Pond Guy