By maintaining the right types of beneficial bacteria, you are able to keep a pond crystal clear without a UV light. In fact, we recommend you do not use a UV light with Nualgi Ponds . Through the experiences of our users, we have learned that the most modern and successful ponds have made the UV system obsolete.
Does koi fish need UV light?
(Plants use the nutrients that would otherwise go to the algae... they’re literally starving the algae.) If you are a koi (or other fish) fanatic and want to have a crystal clear pond with lots of fish and few plants (because plants only hide the fish from view), then a UV light might be the only way to reach your goal.
Where do you put UV light in a koi pond?
When it comes to installation, place the UV clarifier where it won’t be flooded. It is waterproof, but should never be submerged in water. We suggest mounting it onto a dry flat surface , like the lid of the canister pond filter. And always connect the UV unit to a GFI outlet or circuit to protect against shock.
How can I keep my pond clear without UV light?
- Increase the mount of oxygen in the pond by adding a waterfall, fountain, or aerator. ...
- Add shade plants to the pond landscape that won’t drop litter into the pond, like the “Green Gem” Indian laurel tree (Ficus microcarpa nitida).
What size UV light do I need for my koi pond?
The main difference between the two is the strength of the UV light compared to the amount of water in your pond. As a rule of thumb, use 10W of UV light per 1000 gallons for ‘clarification ‘, and 30 watts of UV light per 1000 gallons for ‘sterilization’.
What does a UV light do in a koi pond?
Ultraviolet lights are designed to kill any algae floating in the water . Algae blooms in ponds can turn a perfectly clear pond into a thick pea soup looking pond in a short period of time. ... This energy from the light destroys the DNA in the algae which in turn causes it to eventually die.
Is UV good for pond?
UV lights work when water from your pond is pumped through their light path . The single-celled, free-flowing algae within your pond water is then exposed to these high levels of ultraviolet light. This light destroys their DNA and kills them. ... Making the algae easier to trap and remove from the pond water.
How often should you change a pond UV light?
How often do I need to change my ultraviolet bulb? UVs are needed to kill green water and keep pond water clear. The bulb has an effective life of 6 months, as most ponds require UV for only 6 months a year, in late spring, summer & early autumn. The bulb should be changed once a year , preferably in spring.
Does UV light prevent algae?
A UV sterilizer is used to control infections by stopping the spread of microorganisms from one fish/coral/invertebrate to another through the water. ... The UV light has no residual effect and will not kill organisms attached to fish (e.g., adult stage of ich) or rocks (e.g., algae).
How long does a UV light take to clear pond?
How long will it take to clear the pond? Once fully mature, you should notice a difference within one week of turning the U.V.C. on and full clarity should be achieved in two weeks .
How do I make my pond crystal clear?
- Maintain a healthy fish population. ...
- Don’t over-feed your fish. ...
- Create a proper balance of plants. ...
- Choose the right size pump for your pond. ...
- Clean debris from pond before it has a chance to decay. ...
- Choose proper filtration for your pond.
How do I make my pond water clear naturally?
- Understand that a little bit of algae or discoloration is normal.
- Use beneficial bacteria to starve single-cell algae that turns water green.
- Add a wide variety of aquatic plants to starve string algae.
- Add a larger biofilter.
- Don’t overfeed your fish.
- Don’t overcrowd your fish.
Can you have too much UV in a pond?
You can’t have too much UV in a pond because the UV device only affects algae cells that go through the unit . So plants and anything else not suspended in the water are not harmed. However, it’s possible to have a device that’s too small for the job but you can’t have too much UV.
How do you size a UV light?
Properly Sizing a UV Light
In reality a UV is sized based on the flow rate or speed of the water that is going through it . This is usually expressed in GPM or GPH. So the flow rate of your water is what is critical in choosing the proper size unit, and more specifically the actual flow rate where the UV is installed.
