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'. As a sterilizer, the unit will eliminate green water entirely, no matter what type of pond you operate.
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. ... Selecting the proper size light is very important. If the light is not big enough for the pond you will notice almost no effect.
Anyways, how long does it take for a UV light to clear a pond? Q. 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.
Over and above, how 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.
Can you have too much UV in a pond?
Can you ever have too much UV and would it harm the fish or pond lillies? Asap answer would be appreciated. No, you can't really have too much UV. It just means you're using a bit more electricity than you could get away with probably, and the bulb might cost a bit more to replace.
BESTSELLER NO. 1 in 2021
Jebao 36W Aquarium Koi Fish Pond UV Light Sterilizer
Permanent Elimination of Algae Bloomy to Get Rid of Green Water
2G11 base 36w UV lamp pre-installed. All units have 3/4", 1", 1-1/4" and 1-1/2" fittings
Complete with 22 ft cord and UL listed sealed transformer. Max flat rate: 4400 GpH
For external use only (non-submersible). Install in-line after pond water has passed through a filter for best sterilization effect.
For peak performance, the 36w Ultraviolet Bulb should be replaced once every 6-12 months of operation
BESTSELLER NO. 2 in 2021
TotalPond UV Pond Clarifier
The UV Pond Clarifier is ideal for cleaning the green out of water and preventing nasty odors in ponds up to 2,000 gallons.
The UV Pond Clarifier can easily be installed in or out of your pond.
The included 9W UV bulb lasts up to 8,000 hours. We recommend changing UV bulbs yearly for optimum cleaning performance.
The UV indicator light and clear adaptors allow you to see the unit is running.
Connects to a pump outlet with a 1/2, 3/4, or 1 in. ID tubing
Reduces micro-organisms and bacteria
For use with ponds up to 2,000 gallons
Water is pumped into the UV chamber
Water is sterilized using our 9 watt and water is pumped out into filter or pond
BESTSELLER NO. 3 in 2021
Jebao STU Stainless Steel UVC Clarifier (36-watt)
Easy screw release for bulb/quartz glass maintenance
Suitable for marine and freshwater, dimension: 21" long x 3" diameter
Is there any indicator that the UV bulb is working? It took four or five days for the green water to clear up in my experience. After a few days the color changes to a more greyish green, and it takes a few more days for the water to get clear.
Ultraviolet light is beneficial to aquarium goldfish. The UV acts as a water sterilizer, killing bacteria and algae. Although generally beneficial, UV light can be harmful in doses that exceed the natural amount of light a wild fish would receive. ...
Although UV lights are good for eliminating algae is water through sterilisation, this same process kills both bad AND good bacteria. Good bacteria is essential for healthy pond chemistry and prevent it from becoming unbalanced through the build-up of chemicals from natural organics and fish waste.
UV affects both good and bad bacteria by damaging the DNA in the bacteria, resulting in death or the inability to reproduce. The bacteria must pass directly in front of the UV lights or they aren't affected.
After the first 6 weeks, with the pond water at 65 degrees or warmer, the filter bag should be cleaned once a week, unless there is dirt on the bottom of the pond from plants tipping over, or the fish have kicked out the gravel while trying to spawn.
The uv light only kills the algae, and the filter removes the dead debris from the pond. And also explained there is that generally the best place the have the uv light is right AFTER the filter: Generally, the better, and most common, placement is right after the filter.
Generally, the better, and most common, placement is right after the filter. In fact, a lot of the biological filters (that have a uv light built in) place this uv light after the filter itself. There are a couple of good reasons for this: The uv light works more efficiently when the water flowing along it is clearer.
As far as the health of your fish are concerned, over-filtering is not really an issue. While they do not naturally live in water that is completely devoid of suspended particles and without the merest hint of algae or weeds, they will quite happily exist in such an environment as long as it is kept healthy and stable.
Underwater Pond Lights create a whole new experience for you to enjoy your pond after the sun goes down. ... These Underwater Pond Lights are safe for your fish and they will not harm them. You will even notice that your fish actually love to swim over, around and even under these Underwater Pond Lights.
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).