For large ponds or heavy stocked koi ponds a uv strength of 25 watts is recommended with a 5 watt to 25 watt range being fine for smaller ponds or lighter fish stocks.
Uv light for pond water treatment.
The uv lights kill the algae returning clear water to the pond.
Uv lights work when water from your pond is pumped through their light path.
A common wattage range for uv pond clarifiers is 8w 11w per 3 000 gallons 10 000 litres of pond water to eradicate green pond water.
This light destroys their dna and kills them.
Uv clarification is the single most effective method of treating green pond water caused by free swimming algae particles especially if you have fish.
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Ponds add relaxing background sounds to your yard but these miniature ecosystems need constant water maintenance for healthy fish and plant life.
The uv pond pump also features a large mechanical pre filter sponge designed to trap debris in the water.
The disadvantages of a pond ultraviolet light.
If you have an outside pond you will at some point be dealing with stained or green water and a uv light is a 100 cure for this.
As a result the exposure of water to the uv light is fully maximized.
As for clearing green water there is nothing better than a properly sized and installed uv light.
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So basically put everyone with an outside pond will need a uv light and this is the real reason to have one.
The damage caused to the algae s dna through this light also causes them to flocculate clump together.
Initially we weren t clear on how this was installed.
In this range green pond water algae will be gradually removed allowing much clearer pond water.