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Turbo-Twist UV Sterilizers
Turbo-Twist UV Sterilizers

Please Note: Return of electrical equipment for exchange or store credit is limited to 30 days from the date of purchase. Beyond 30 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.

Returned products must be unopened and in the original packaging to receive full store credit. Products that have been opened, used, or lightly used, will incur a 15% processing fee. Upon receipt of the returned product, store credit will be applied, minus the processing fee.

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*Compact ultraviolet sterilizer with revolutionary "Turbo-Twist" design
*Easy-to-install UV sterilizers help keep aquarium water crystal clear
*Versatile UV sterilizer can be installed in-line or hang-on-tank

Specially designed aquarium ultraviolet sterilizer maximizes UV exposure in a compact, easy-to-install unit. Water traveling through the revolutionary "Turbo-Twist" flow design is exposed to three times more germicidal UV light than in conventional UV sterilizers. The result is clean, crystal clear aquarium water. Multifunctional UV sterilizers can be installed in-line or as a hang-on unit. Simply connect to a water pump, powerhead, or on the return line of a canister filter. Includes PL-type compact fluorescent UV Lamp and hang-on-tank bracket, and barbed fittings. For fresh and saltwater use.

Dimensions Barbed
Size (gallons)
18W 13-1/2" x 5-1/2" 5/8" or 3/4" 200-400 gph up to 250
36W 20-1/2" x 6" 3/4", 1" or 1-1/4" 400-1200 gph up to 500

Replacement Coralife Turbo-Twist Gasket Kit available.

Quick Installation Guide
You will need a powerhead, water pump or canister filter that has the recommended flow rate for your particular Turbo-Twist model.

It is recommended that a pre-filter be used with the water pump to limit the amount of debris entering the sterilizer.

  • Use mounting bracket to hang Turbo-Twist on the outside of aquarium or sump, positioning the unit so that water can be easily returned to system. The sterilizer should be positioned so that the cord end is at the top of the unit.
  • The Turbo-Twist is fitted with hose barbs to make hose connections easier. Note: Hose barbs and hose lock-nuts require only hand-tightening. Use flexible tubing to connect to water source. Once tubing is connected and properly positioned, turn on the water pump and check for leaks. Once water flow has been established, connect the sterilizer to the power supply.

Note: Flow rate through the Turbo-Twist UV Sterilizer will vary depending on your particular use.

Per Manufacturer's recommendation:

Model Flow Rate
for Parasites
Flow Rate
for Algae
Flow Rate
for Bacteria
18W 110 gph 240 gph 500 gph
36W 290 gph 680 gph 1,550 gph

Detailed Instructions
Note: Always disconnect the unit from the power supply before installing the Turbo-Twist.

Set up and Positioning

Adjusting the hose barb inlet and outlet.
The hose barbs can be positioned in four different locations to facilitate connections to other applications.

  • Unscrew Locking Ring Screw and slide tab down to release.
  • Carefully twist the Quartz Housing and the main body opposite of each other.
  • Slide the Quartz Sleeve out of the main body.
  • Reinstall Locking Ring and tighten screw.

Bracket Installation

  • Adjust the Tank Bracket so that it hangs on the outside of the aquarium.
  • Slide the Turbo-Twist Bracket onto the Tank Bracket. Make sure the Turbo-Twist Bracket is securely fastened onto the Tank Bracket.
  • Snap the main body of the Turbo-Twist into the Turbo-Twist Bracket. Secure installation is indicated by a "click." Snap the other Turbo-Twist Bracket (with the suction cups) in the same manner.
  • For horizontal positioning, take the suction cup out and snap the main body into the brackets until it locks with a "click."

UV Lamp Installation

  • Remove the Threaded Cap and install the UV Lamp into UV Lamp Socket until UV Lamp "clicks" into place.
  • Make sure that the flat O-ring Gasket is properly positioned inside the Threaded Cap (already installed in unit). Screw the Threaded Cap tightly back into place.
    Note: The Plug and Cord should be turned in unison when screwing the Threaded Cap back into place.

Attaching the Hose Lock Nuts

  • Position the Hose Lock Nuts on the Hose Barb Inlet/outlet.
  • Use flexible tubing to connect the sterilizer to the water supply. Turn the Hose Lock Nut counterclockwise to tighten flexible tubing onto the Hose Barb. Hose Lock Nuts require only hand tightening (NOTE: Do not use O-ring when larger Hose Barbs are being used).

Hose Barb Adapter Installation

  • Place the O-ring on Hose Barb Inlet/Outlet.
  • Hand Tighten the Hose Barb Adapter onto the Turbo-Twist.
  • Use flexible tubing to connect the sterilizer to the water supply. Turn the Hose Lock Nut counterclockwise to tighten flexible tubing onto the Hose Barb (NOTE: Water will leak if O-ring is not in place).

Installing the Turbo-Twist
Hang the unit using the Turbo-Twist Bracket and suction cup on the outside of the aquarium. Adjust the Tank Bracket to secure the Turbo-Twist UV Sterilizer.
For Horizontal Positioning: Attach the Turbo-Twist Bracket on a fixed surface with screws.

Water Flow Outlet Connection
Connect the tubing between the water flow Outlet and the Hose Barb Inlet. It is recommended that a pre-filter be used with the Turbo-Twist to limit the amount of debris entering the sterilizer (NOTE: Make sure that the flexible tubing is not carrying the weight of the Turbo-Twist UV Sterilizer. Use the Turbo-Twist Brackets to support the weight of the unit).

WARNING: Never install a valve directly on the tubing between the main UV sterilizer body and the aquarium.

Supplying Water
Turn on the water supply to the Turbo-Twist. Once the proper water flow has been established, tilt the unit and let the air bubbles inside the tubing and the main body escape. Examine the unit and check for leaks.

Supplying Power
Connect the Turbo-Twist to the power supply. Verify that the UV Lamp is working properly by checking the light blue glow emitted through the Lamp Indicator. The light from the Lamp Indicator will not affect the skin or eyes. NOTE: When the Turbo-Twist is turned on, you may see patterns on the body of the unit. This does not affect the quality of the unit.


  • Never look directly at the unshielded Lamp as the ultraviolet radiation is harmful.
  • Disconnect the unit from the power supply when installing or repairing the UV sterilizer.
  • Never submerse the unit in water.

The Quartz Sleeve should be cleaned periodically To ensure superior UV "kill-rate."

Cleaning the Quartz Sleeve

  • Disconnect UV Sterilizer from outlet and turn off the water supply pump. Allow the water to drain out of the Turbo-Twist UV Sterilizer before cleaning the Quartz Sleeve.
  • Unscrew Locking Ring Screw and slide tab down to release.
  • Carefully twist the Quartz Housing and the Main Body opposite of each other.
  • Slide the Quartz Sleeve out of the main body.
  • Wipe the Quartz Sleeve using a soft, damp cloth. Do not use household cleaner or abrasive scrubbers to clean the Quartz Housing.
  • Once clean, reinstall the Quartz Sleeve into the main body.
  • Reinstall Locking Ring and tighten screw.


Problem: UV-C Lamp is not working.
Possible Causes:

  • The plug is not connected to the power supply.
  • UV Lamp base is loose.
  • The UV Lamp has expired.
Recommended Solutions:
  • Connect the plug to the power supply.
  • Push the UV-C Lamp onto the Socket until a "click" is heard.
  • Replace the UV-C lamp.

Problem: Water leak between the main body and Hose Lock Nuts.
Possible Causes:

  • The Hose Lock Nut is loose.
  • The O-ring is not in place.
Recommended Solutions:
  • Tighten the Hose Barb or the Hose Lock Nut.
  • Install the O-ring.

UV-C Lamp Replacement
The UV-C Lamp has a useful life of about 8,000 hours. To ensure effective performance, replace the UV-C Lamp before it expires.

How to replace the UV-C Lamp

  • Disconnect the sterilizer from the power supply. It is also necessary to disconnect the power to the water supply pump.
  • Remove the Threaded Cap to uncover the Lamp Socket.
  • Pull the UV-C Lamp Assembly out of the Main Body and allow it to cool. Be careful not to touch the Lamp as it may be hot.
  • Once cool, pull the used UV-C Lamp out of the Lamp Socket.
  • Insert new UV-C Lamp. Make sure that the pins of the lamp plugs into the Socket. Secure installation is indicated with a "click."
  • Re-assemble the Turbo-Twist.

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