You are here: Home > UV STERILIZERS > UV Sterilizers: Large Tanks

UV Sterilizers: Large Tanks
Sort By:
Page of 2  
Current USA Gamma 25 Watt Pond UV Sterilizer
Current USA Gamma 25 Watt Pond UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $120.25 In Stock!

  • For ponds up to 4000 gallons. The 4000 gallons rating assumes the unit is being used as a clarifier (algae) only and not as a sterilizer.
  • 25 watt T5 UV lamp
  • In line
  • Connections: 2" slip connection
  • Requires an approx. 1,200 gph pump
  • Dimensions: 26" X 4" X 2.75"
  • Ballast separate from unit
  • Use the 3/4" Bushing-Hose Barb Kit for use with 3/4" hose
Current USA Gamma 25 Watt UV Sterilizer
Current USA Gamma 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $128.00 In Stock!

  • For tanks up to 125 gallons. The 125 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
  • 25 watt T5 UV lamp
  • In line or hang-on
  • Connections: 1/2" or 3/4" ID Hose. You'll need at least four feet of clear hose.
  • Requires powerhead--we recommend the Mini-Jet 606
  • No tubing required
  • Dimensions: 26" X 4" X 2.75"
  • For aquarium use
  • Ballast separate from unit
Pentair Aquatics Lifegard QL-Series 10 Watt UV Sterilizer
Pentair Aquatics Lifegard QL-Series 10 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $193.95
Our Price: $128.00
You Save $65.95! In Stock!

The Pentair Aquatics Lifegard QL-Series 8 Watt UV Sterilizer is for aquariums up to 50 gallons
  • 8 Watt UV lamp
  • In line
  • Connections: 1-1/4" slip inlet, 1" slip outlet
  • Requires a pump with a flow rate less than 240 gph
  • Dimensions: 17" X 7.5" X 7"
Pentair Aquatics Lifegard QL-Series 25 Watt UV Sterilizer
Pentair Aquatics Lifegard QL-Series 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $216.30
Our Price: $158.00
You Save $58.30! In Stock!

The Pentair Aquatics Lifegard QL-Series 25 Watt UV Sterilizer is for aquariums up to 200 gallons
  • 25 Watt UV lamp
  • In line
  • Connections: 1-1/4" slip inlet, 1" slip outlet
  • Requires a pump with a flow rate less than 240 gph
  • Dimensions: 26.75" X 7.5" X 7"
Current USA Gamma 40 Watt Pond UV Sterilizer
Current USA Gamma 40 Watt Pond UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $160.00 In Stock!

  • For ponds up to 6000 gallons. The 6000 gallons rating assumes the unit is being used as a clarifier (algae) only and not as a sterilizer.
  • 40 watt T5 UV lamp
  • In line
  • Connections: 2" slip connection
  • Requires an approx. 2,800 gph pump
  • Dimensions: 36" X 4" X 2.75"
  • Ballast separate from unit
  • Use the 3/4" Bushing-Hose Barb Kit for use with 3/4" hose
Coralife Turbo-Twist 12X 36 Watt UV Sterilizer
Coralife Turbo-Twist 12X 36 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $179.99 In Stock!

The Coralife Turbo-Twist 12X 36 Watt UV Sterilizer is for tanks up to 300 gallons.
  • 36 watt compact fluorescent UV lamp
  • Minimum flow: 300 gph. Maximum flow: 900 gph.
  • In line or hang-on
  • Connections: 1" or 5/8" ID Hose. You'll need at least four feet of clear hose.
  • Requires pump--we recommend the Rio 1100
  • Dimensions: 21" X 6"
  • User Manual (pdf file in new window)
Pentair Aquatics Lifegard Aquastep 25 Watt UV Sterilizer
Pentair Aquatics Lifegard Aquastep 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $238.61
Our Price: $182.00
You Save $56.61! In Stock!

The Pentair Aquatics Lifegard Aquastep 25 Watt UV Sterilizer is for aquariums up to 200 gallons
  • 25 Watt UV lamp. Unique 4 pin connector for easy bulb replacement without shutting down the system.
  • In line or hang-on use
  • Connections: 3/4" FPT. Comes with 1/2" hose barb fitting and 4 feet of hose. Inlet and outlet at top for hang on and at bottom for below aquarium installations.
  • Requires an approx. 760 gph pump
  • Dimensions: 23" X 7.5" X 3"
  • Clear View Port. Allows visible light (no UV) to pass through and indicate bulb is operating adjustable clamp.
  • Spring loaded clamp creates a snug fit to any aquarium or reservoir tank
Pentair Aquatics Lifegard QL-Series 40 Watt UV Sterilizer
Pentair Aquatics Lifegard QL-Series 40 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $257.55
Our Price: $189.00
You Save $68.55! In Stock!

The Pentair Aquatics Lifegard QL-Series 40 Watt UV Sterilizer is for aquariums up to 300 gallons
  • 40 Watt UV lamp
  • In line
  • Connections: 1-1/4" slip inlet, 1" slip outlet
  • Requires a pump with a flow rate less than 240 gph
  • Dimensions: 34.5" X 7.5" X 7"
Aqua Ultraviolet Classic 25 Watt White UV Sterilizer
Aqua Ultraviolet Classic 25 Watt White 2" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $322.00
Our Price: $225.40
You Save $96.60! In Stock!

The Aqua Ultraviolet Classic 25 Watt White 2" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Classic 25 Watt can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Classic 25 Watt White UV Sterilizer
Aqua Ultraviolet Classic 25 Watt White 3/4" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $328.00
Our Price: $229.60
You Save $98.40! In Stock!

The Aqua Ultraviolet Classic 25 Watt White 3/4" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Classic 25 Watt can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 3/4" barb or FPT, Outlet: 3/4" barb or FPT
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Twist 25 Watt 2
Aqua Ultraviolet Twist 25 Watt 2" White UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $342.00
Our Price: $239.40
You Save $102.60! In Stock!

The Aqua Ultraviolet Twist 25 Watt 2" White UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. The Twist combines all the functionality of the Aqua Ultraviolet Classic with unions that expand functionality. A union in the body allows you to rotate the inlet and outlet to the optimum places for your particular hookups. An expansion union included with each Twist UV will allow you to connect additional UV sterilizers to your Twist UV.

Used as a sterilizer, the Twist 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Twist 25 Watt UV can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $246.84 In Stock!

  • For aquarium or pond use
-For aquariums up to 110 gallons. The 110 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 2,000 gallons
  • 25 watt T5 UV lamp
  • In line
  • Connections: 2" slip inlet/ 2" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 554 gph maximum, 332 gph minimum
-Protozoa: 184 gph maximum, 110 gph minimum
  • Dimensions: 29.75" X 2.5"
Emperor Aquatics Smart 25 Watt UV Sterilizer
Emperor Aquatics Smart 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $275.88 In Stock!

  • For aquarium or pond use
-For aquariums up to 125 gallons. The 125 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 2,360 gallons
  • 25 watt T5 UV lamp
  • In line
  • Connections: 1.5" union inlet/ 1.5" union outlet
  • A pump is a required. The required flow rates:
-Algae: 788 gph maximum, 472 gph minimum
-Protozoa: 262 gph maximum, 157 gph minimum
  • Dimensions: 29" X 3"
  • Ballast separate from unit
Emperor Aquatics Smart Lite 40 Watt UV Sterilizer
Emperor Aquatics Smart Lite 40 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $291.72 In Stock!

  • For aquarium or pond use
-For aquariums up to 200 gallons. The 200 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 3,000 gallons
  • 40 watt T5 UV lamp
  • In line
  • Connections: 2" slip inlet/ 2" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 983 gph maximum, 589 gph minimum
-Protozoa: 327 gph maximum, 196 gph minimum
  • Dimensions: 44.75" X 2.5"
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer w/ Wiper
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer w/ Wiper
Usually Ships in 1 to 2 Business Days
Our Price: $298.32 In Stock!

-For freshwater aquariums up to 110 gallons. The 110 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 2,000 gallons
  • 25 watt T5 UV lamp
  • Includes a wiper. The wiper is a plastic ring that can be pulled along the length of the uv quartz sleeve to clean the sleeve.
  • In line
  • Connections: 1.5" slip inlet/ 1.5" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 554 gph maximum, 332 gph minimum
-Protozoa: 184 gph maximum, 110 gph minimum
  • Dimensions: 29.75" X 2.5"

Aqua Ultraviolet Classic 40 Watt White UV Sterilizer
Aqua Ultraviolet Classic 40 Watt White 2" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $458.00
Our Price: $320.60
You Save $137.40! In Stock!

The Aqua Ultraviolet Classic 40 Watt White 2" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 40 Watt UV is the premium choice for a 1200-2000 gallon pond or an aquarium up to 325 gallons. Used as a clarifier, the Classic 40 Watt can treat up to 6,000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,000 gph as clarifier, 2,000 gph as sterilizer. The recommended flow rate for aquariums for algae is 589-983 gph and for protozoa is 196-327 gph.
  • Dimensions: 37-3/8" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Classic 40 Watt White UV Sterilizer
Aqua Ultraviolet Classic 40 Watt White 3/4" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $464.00
Our Price: $324.80
You Save $139.20! In Stock!

The Aqua Ultraviolet Classic 40 Watt White 3/4" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 40 Watt UV is the premium choice for a 1200-2000 gallon pond or an aquarium up to 325 gallons. Used as a clarifier, the Classic 40 Watt can treat up to 6,000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,000 gph as clarifier, 2,000gph as sterilizer. The recommended flow rate for aquariums for algae is 589-983 gph and for protozoa is 196-327 gph.
  • Dimensions: 37-3/8" X 6" X 2-1/2"
  • Inlet: 3/4" barb or FPT, Outlet: 3/4" barb or FPT
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Emperor Aquatics Smart 40 Watt UV Sterilizer
Emperor Aquatics Smart 40 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price: $330.00 In Stock!

  • For aquarium or pond use
-For aquariums up to 300 gallons. The 300 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 4,725 gallons
  • 40 watt T5 UV lamp
  • In line
  • Connections: 1.5" union inlet/ 1.5" union outlet
  • A pump is a required. The required flow rates:
-Algae: 1574 gph maximum, 943 gph minimum
-Protozoa: 525 gph maximum, 314 gph minimum
  • Dimensions: 43.8" X 3"
Aqua Ultraviolet Twist 40 Watt White UV Sterilizer
Aqua Ultraviolet Twist 40 Watt 2" White UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $478.00
Our Price: $334.60
You Save $143.40! In Stock!

The Aqua Ultraviolet Twist 40 Watt 2" White UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. The Twist combines all the functionality of the Aqua Ultraviolet Classic with unions that expand functionality. A union in the body allows you to rotate the inlet and outlet to the optimum places for your particular hookups. An expansion union included with each Twist UV will allow you to connect additional UV sterilizers to your Twist UV.

Used as a sterilizer, the Classic 40 Watt UV is the premium choice for a 1200-2000 gallon pond or an aquarium up to 325 gallons. Used as a clarifier, the Twist 40 Watt can treat up to 6,000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,000 gph as clarifier, 2,000 gph as sterilizer. The recommended flow rate for aquariums for algae is 589-983 gph and for protozoa is 196-327 gph.
  • Dimensions: 37-3/8" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Classic 57 Watt White UV Sterilizer
Aqua Ultraviolet Classic 57 Watt White 2" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $504.00
Our Price: $352.80
You Save $151.20! In Stock!

The Aqua Ultraviolet Classic 57 Watt White 2" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 57 Watt UV is the premium choice for a 1500-3000 gallon pond or an aquarium up to 355 gallons. Used as a clarifier, the Classic 57 Watt can treat up to 6,500 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,250 gph as clarifier, 3,200 gph as sterilizer. The recommended flow rate for aquariums for algae is 883-1474 gph and for protozoa is 294-490 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)