Enhance pond filtration with this easy-to-install UV clarifier
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Versatile ultraviolet clarifier for cleaner, clearer pond water
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Install in new or existing pond filters to control green water algae
Enjoy the best possible pond water clarity with this in-line or standalone fixture. Multipurpose and versatile, this external-use pond ultraviolet clarifier features state-of-the-art magnetic ballast and a new space saving design. Add it to new or existing pond filtration systems. 18 ft power cord. All models measure 15" x 8" x 5-1/2".
Features & Benefits:
Unique, proprietary new bulb design
New space saving design
Stops green water
Magnetic ballast
Multipurpose & versatile, can be added to any new or existing system
ELT listed for consumer confidence
Model
Watts
Max Gallons
Max Flow
Fittings
9W
9
2,000
500 gph
1/2" to 1-1/4"
18W
18
4,000
1,000 gph
3/4" to 1-1/2"
36W
36
8,000
2,000 gph
3/4" to 1-1/2"
Please click on "More Information" for assembly instructions.
Component List
Transparent Screw Cap with power cord and ballast
Quartz Glass Protective Sleeve
UV Bulb
Plastic Housing
2 Mounting Brackets
Connectors for pump intake and discharge with gaskets
Assembling the UVC
The UVC clarifier is not submersible and should be mounted in a dry location away from the pond edge. Make sure that children do not have access to the unit. Keep moisture away from the plug and socket.
Insert the UVC bulb into the socket of the transparent screw cap.
Insert the bulb assembly into the quartz sleeve.
Next insert the complete quartz sleeve and bulb assembly into the plastic housing and screw the pieces together until secure.
The hose connectors are ready to attach to the plastic housing. The connectors can be cut to the desired hose diameter. It is recommended that 1" hose be used with the UVC 18 and 1-1/2" hose be used with the UVC 36 for optimum performance. The hose for the intake and discharge should be the same size.
Place the gaskets inside the threaded end of each hose adapter. Hand-tighten all connections until secure.
Attach the two support brackets to the plastic housing. Before switching on the UVC lamp, check that all connections are water tight by connecting the pump.
Plug the UVC unit into the GFCI protected electrical unit to start operation. When the unit is working, a purple ultraviolet light can be seen through the transparent screw cap.
It is not necessary to disassemble the entire unit for cleaning. However, if it becomes necessary to take the unit apart, please follow the proceeding instructions for reassembly.
Place the O-Ring on the quartz sleeve and slide it to the top of the sleeve.
Insert an O-Ring in the groove on the top of the quartz sleeve.
Insert the UVC bulb into the socket of the cap/cord assembly. It is important that you do not touch the UVC bulb. The small amount of oil that is naturally on your skin will ruin the bulb. If you touch the bulb, clean it with rubbing alcohol before resuming service.
Insert the Water Guide into the inlet side of the plastic housing. Turn the Water Guide until it engages with the key in the plastic housing.
Insert the quartz UV lamp into the plastic housing and screw the pieces together until secure.
Attach the rubber seal to the inlet side of the plastic housing and then attach the discharge side of the housing. Screw the two pieces together until secure.
Insert the gaskets inside the hose connectors and attach to the plastic housing.
Attach the support brackets to the plastic housing.
Safety Instructions
Never submerge the unit in water! The external electrical cable of this apparatus cannot be replaced. If the cable is damaged, the apparatus must be destroyed. Remember that UVC radiation is dangerous to the eyes and skin. Always switch off the unit if there is no water running through it to prevent overheating. Do not look directly into unshielded bulb as damage to the eyes may occur. Check the UVC lamp after the unit is assembled through the transparent screw cap. The power supply must be switched off immediately if the apparatus or the electrical cord should become damaged. The US National Electrical Code and many local codes require that a Ground Fault Circuit Interrupter (GFCI) be installed in a branch circuit supplying fountain equipment rated above 15 volts AC.
Maintenance
In order to keep the UVC apparatus working properly, you must clean the intake and discharge connections and the quartz sleeve 2 to 3 times a year. To do this, you must first switch off the power supply to the UVC apparatus and to the pump unit. Carefully remove the quartz sleeve from the bulb and cap cord assembly. Wash the quartz sleeve with lukewarm soapy water and rinse thoroughly. Remove any lime scale with vinegar and rinse thoroughly (it is important that you do not touch the UV Light Bulb; the small amount of oil that is naturally on your skin will ruin the bulb. If you touch the bulb, clean it with rubbing alcohol before resuming service). The effective service life of the UVC lamp is 6,000 burning hours. If used continuously, the UVC lamps will last the entire pond season. It is recommended that you replace the UV bulb every spring.
Additional Maintenance Tips
When carrying out any maintenance, the unit must be unplugged from the electrical outlet. Always remove the intake and discharge hoses and drain the water before cleaning. When algae densities are high in your pond, the unit should be cleaned regularly every 3 to 5 days until the problem is under control. When reassembling, make sure the O-rings are properly seated on the quartz sleeve. A small amount of petroleum jelly can be used for lubrication, if necessary. The UVC bulb should be replaced every season to guarantee efficient operation. During the winter season when temperatures fall below 50 degrees Fahrenheit, remove the UVC apparatus to prevent it from freezing.
Applications
The 9 Watt UVC unit is suitable to treat ponds up to 2,000 gallons. The maximum recommended flow rate for this unit is 500 gph.
The 18 Watt UVC unit is suitable to treat ponds up to 4,000 gallons. The maximum recommended flow rate for this unit is 1,000 gph.
The 36 Watt UVC unit is suitable to treat ponds up to 8,000 gallons. The maximum recommended flow rate for this unit is 2,000 gph.
Use
UVC equipment has been used for some time to keep aquarium and pond water free of floating algae and to reduce water borne pathogens. UVC filtration can also ensure crystal clear water and a healthy aquatic environment for both fish and aquatic plants. The effect is based on the use of ultraviolet radiation, which affects the cells of both plants and animals. The effect is optimized by the fact that water to be filtered is led directly along the UVC tube in a thin film. The UV radiation will kill the algae but a pond filter is necessary to remove the clumps of dead algae. UV clarifier will not kill string algae. How efficiently a clarifier works depends entirely on the conditions of your pond (i.e., the number of plants and fish, and the amount of sun exposure). For most ponds with normal levels of green water, the cleaning process can take anywhere from 1 to3 weeks. It is recommended that you have the UVC unit on throughout the pond season. During the winter season when temperatures fall below 50 degrees Fahrenheit (December to mid March), the UVC unit should be removed to prevent it from freezing.
Putting the UVC unit in use
In order to ensure that maintenance and cleaning of the UVC unit is kept to a minimum, it is recommended to use a filter with your pond pump. Always install the UVC apparatus outside the pond. Make sure that it cannot become immersed in water (it is important that you do not touch the UVC light bulb; the small amount of oil that is naturally on your skin will ruin the bulb. If you touch the bulb, clean it with rubbing alcohol before resuming service).
Incorporate UV sterilizers as an invaluable tool in an algae control regimen in your pond. As water flows through the UV unit, free-floating algae are exposed to ultraviolet light and flocculate. Find out how this helps control algae.
Incorporating a UV sterilizer as an invaluable tool in an algae control regimen is a great way to combat pond algae. Use this comparison chart to help you find the right sterilizer for your pond.
Incorporate UV sterilizers as an invaluable tool in an algae control regimen in your pond. As water flows through the UV unit, free-floating algae are exposed to ultraviolet light and flocculate. Find out how this helps control algae.
Please note: Return of electrical equipment and lightbulbs to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.
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