New ponds are especially prone to algae blooms until the whole ecological system of the pond matures, which may take several years. 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. The way ultraviolet lights work is when the algae, in the water, passes through the unit it is exposed to a very bright ultraviolet light. This energy from the light destroys the DNA in the algae which in turn causes it to eventually die.
As the algae cells die they will begin to stick together so that they can be filtered out of the water. Selecting the proper size light is very important. If the light is not big enough for the pond you will notice almost no effect. Additionally, if the water flow through the light is too fast, it will also reduce the efficiency of the light to where it has little effect. Ultraviolet lights are not effective against string type algae because it attaches to the pond and does not flow through the light.
40 Watt Specs
- 1 lamp @ 40 Watts
- 1 1/2″ Unions
- UVC output 12.0
- UV Vessel Dimensions – 44″ x 4″
- Amps Max Load @120- .44
- “Real World” Pond Sizing- Up to 2,400 Gallons
- Max 25 GPM- Bypass Recommended
The SMART UV® product line is very effective at reducing microorganisms in water using ultraviolet light. These high-quality UV sterilizers feature a watertight sealed design and can be used safely both indoors and outdoors. They are an excellent choice for everything from small koi ponds to large recirculating systems.
SMART UV units have a 4″ diameter housing and 1.5″ slip union. Each model features low pressure lamps with a 9,000 hour effective life, as well as remote-style ballasts with 16′ power cords (10’ cable to ballast and 6’ cord). Units are 115V/230V 50/60Hz. UV vessels are built of a UV-resistant, high density polymer with a removable end cap to provide easy access. Internal viewing ports allow visual indication of lamp status.
Includes a 1-year warranty on sterilizer ballasts, 3-year on housing due to UV damage and a 90-day warranty on lamps.
Ultraviolet Light Recommendations
|40 Watt||65 Watt||80 Watt||120 Watt||150 Watt|
|Recommended Pond Size||2,835 Gallons||5,139 Gallons||8,640 Gallons||11,040 Gallons||15,200 Gallons|
|Max Pond Size||4,725 Gallons||8,565 Gallons||10,800 Gallons||13,800 Gallons||19,000 Gallons|
|Flow Rate (Algae)||15 - 26 GPM||29 - 48 GPM||45 - 60 GPM||64 - 76 GPM||84 - 106 GPM|
|Flow Rate (Protozoa)||5 - 9 GPM||9 - 16 GPM||15 - 20 GPM||21 - 26 GPM||28 - 35 GPM|