Size Your Replacement Bulb
Step 1: Identify your bulb's base to verify that it matches the picture.
Step 2: Locate your bulbs wattage.
Step 3: Measure your bulb end to end (including pins) to confirm which replacement bulb is correct for you.
The G23 Base 5 Watt UV Bulb is used as a replacement for the following: TetraPond® GreenFree® UV Clarifier.
Here are the replacement parts for 5 Watt UV Bulb (2 Pin - Single Clip) - 4" Long.
The first step towards effectively treating any pond weed is proper identification. 5 Watt UV Bulb (2 Pin - Single Clip) - 4" Long is recommended for use against each of the weeds listed below. Click on your desired weed for more information and alternate control options.