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Compact UV Sterilizers;
Terminator/ SunSun CUV Series

Via Aqua, SunSun Terminator Compact UV Sterilizer, Clarifier, Kits for Aquarium, Pond
For Aquarium and Pond Disease, Green Water control, & Redox Balance
True Level 1 Sterilizers with excellent UVC MW/cm2 intensity, in a Compact UV Sterilizer/Clarifier Unit.


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7 Watt UV-C Unit
9 Watt UV-C Unit
18 Watt UV-C Unit
36 Watt UV-C Unit
Aquarium Filter/ UV Sterilizer Kit/Combinations
Troubleshooting (in side bar)
Diverter valves for high flow applications



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Why Purchase from American Aquarium Products


HELPFUL INFORMATION;

For a Water Pump Specifications & Flow Chart
This guide may be helpful in matching a water pump to your UV Sterilizer



How UV Sterilization Works

The MOST ACCURATE, RESEARCHED, & IN-DEPTH article on the subject of UV Sterilizer, Clarifier Use in Aquariums or Ponds ANYWHERE.
Based on over 34 years professional use too!!
A MUST read for anyone serious about the use of UV-C Sterilization in their pond or aquarium!


Tubing Installation
For help in connecting aquarium tubing to hose barbs or similar connection, please click here.


RELATED PRODUCTS;

TMC Vecton or Advantage for more UVC Dwell Time over Compact UV SterilizerTMC UV Sterilizers

Tropic Marine Center Vecton & Pond Advantage Professional UV Sterilizers for Ponds or aquariums.
There are no better UV Sterilizers at Any price!
Compare the TMC 15 Watt Advantage or Vecton with the 18 Terminator, while the Terminator is an excellent Compact UV design (with NO better compact design), NO compact UV compares with the long exposure time of the TMC UVs (the 15 watt TMC will out perform the 18 watt Terminator).


For H series (twin tube compact lamp) UVC lights/bulbs, please follow this link:(Bulbs to fit these Terminator UVs are found on this page)

G23/G11 Compact 'H' Shape UV bulbs


For L series (straight bulb) T5, T8, T10 UV lights/bulbs, please follow this link:

T5, T8, T10 UVC Straight Replacement Bulbs



Submersible UV Sterilizer Pump
The SunSun Third Generation Internal UV Sterilizer Pump/Filter is a notable improvement on the other 1st & 2nd generation Internal UV Sterilizers of questionable performance and reliability

Select Quartz Sleeves, Ballasts
Including Ballasts and Quartz Sleeves for most Terminator UV Sterilizers

SunSun Canister Filter
The SunSuns's external 3 stage canister has 3 flexible media trays that allowing you to add the filtration media of your choice.
These are excellent Filters along with the Filstar to use with your Terminator UV Sterilizers!

If a you do not have a canister filter or sump pump, these filters/pumps can run your UV Sterilizer:
SunSun 1542 (Via Aqua 1300)
which includes a sponge pre-filter (very important for better UV Sterilizer performance)

As well as the new/unique SunSun HJ-952 Internal Filter

For all our water pumps:
Pumps
Many of the pumps sold on this page such as the SunSun HJ-1542 or the SunSun JP-065, Rio Plus 1000, 1100, 1700, SunSun JQB-3500 ALL work well with the Terminator UV Sterilizers (depending upon UV size).

TMC Fluidized Sand Bed Filters
The 3rd generation TMC Premium Fluidized Sand Bed Filter increases Bio Capacity of any Aquarium system, with unsurpassed Nitrifying Bio-Filtration. An excellent compliment to any Canister Filter

Aquarium/Pond Vinyl Tubing;
- Airline, 3/8", ", 5/8", , 1": and hose clamps too.


Custom UV Sterilizer


TROUBLESHOOTING/ QUESTIONS

What Direction for Water Flow?

Terminator Ultraviolet Sterilizers/Clarifiers (and most others) are non directional and either port/hose barb can be used as the inlet or outlet.
The position of the UV Sterilizer (horizontal, vertical, diagonal) also makes little difference in effectiveness, however flow rate and aquarium/pond turnover does (protecting the Sterilizer from harsh weather or yard "sprinklers" is also helpful for Sterilizer life even though these are weather resistant, but not proof).

Cannot tell if the UVC light is functioning:
*View through the clear plastic barbs on the 7 watt unit, light indicator on the 9 watt unit, and clear hose barb or glass cover on the 18 and 36 watt unit in dim lighting or at night as it is often hard to see the blue/green glow in bright lighting, especially with lower wattage units such as the 7 Watt.
If not lit (especially new units), make sure the UVC lamp/bulb is properly inserted or not broken.

The UV Sterilizer does not appear to be functioning:
*There is a safety switch with ALL Compact UVs (not just this SunSun Model) that must be depressed to allow current to flow (the switch is intended to prevent viewing of the UV-C Lamp when the top is open while the unit is plugged in). This switch is depressed when the top is properly screwed on all the way.

As well, sometimes this switch can be bent and still will not properly make contact even with the top properly screwed on; in this case use a flat head screw driver to make sure this small silver metal switch (tab) properly seats (if plugged in while testing, please shield eyes and do not look at the light for more than a second or two).

Often a simple solution is wrapping electrical tape around this switch can over-ride this switch that is easily disturbed during shipping or a UV bulb change despite our checking prior to shipping.
Please click on the picture below for a better view:
IMPORTANT: Make sure to view/check the light from at least 4 feet away and then only for a second or two with the tape applied and the unit open!

Make sure your hose barb nuts/tightening rings are threaded properly, however not overly tight. Over tightening or cross threading can cause pre-mature failure of the "nut". The tightening rings only need to compress the O Rings on the hose barbs for a leak free fit (even if you accidentally over tighten and crack this "nut", super glue or PVC Cement is strong enough to hold assuming no over tightening in the future)
Also, make sure you do not crack your quartz sleeve or improperly "seat" it; otherwise even the smallest leak can cause damage to the electrical components. I personally have cracked quartz sleeves, however I repaired small cracks with silicone sealant or with major cracks replaced the Sleeve.

For more information about pond applications (including a diagram for reducing flow), please see the UV Sterilizer section in this article:
A Clear Pond; Pond Information


Note: The Terminator UV Sterilizer is one of the most reliable UV Sterilizer we have used, with not one defect in many of our aquarium/pond maintenance applications or 1000s of online sales. All returns to date have been either breakage in shipping or improper installation, so please check your unit carefully before returning if a problem is suspected.

Bio Cube Aquarium with UV Sterilizer The Terminator UV Sterilizer easily connects to a Bio Cube Aquarium simply connecting "in-line" between the pump and the return hole in the Bio Cube (extra tubing may be necessary).
Please click on the picture to the left for a better view; pictured with a Terminator 5 Watt UV Sterilizer

Additional Resource:
What Size UV Sterilizer is Best?




  

DO NOT be fooled by some Compact UVs sold on the internet with Gimmicky Baffles/Twists (which do NOT allow the best UV-C W/cm2), poor construction, and poor ballasts that often burn out after a few months.
We have tested via our sister aquarium maintenance businesses and rejected units such as Jebo or Aqua Medic as they did not measure up!! (there is a reason these UVs are found at eBay & elsewhere for cheap prices)

Compare our customer service and 34+ years experience in UV Sterilization Research and hands on use

For more in depth UV Sterilizer/Clarifier information please read!!
Compact Pond or Aquarium UV Sterilizer, Clarifier Information

Please note that Via Aqua initially changed their Terminator UVs, to which the newer design had more issues than the many previous year, however Via Aqua has failed of late at customer support while at the same time discontinued many of their products including the Terminator.
We have since picked up the SunSun line of UVs which from our extensive experience is 95% of the older more reliable Terminator design, making these easily the best Compact UVs available for the price based on our 34+ years using and designing UVs.

*Please click on pictures below to enlarge
*Scroll to the Pay Now button to purchase/ place in cart
*Descriptions/Features of each Terminator UV Sterilizer/Clarifier or Kit follows this section


These Terminator now SunSun UV Sterilizers feature:

Solid construction with easy service and maintenance

One Year warranty against defect (6 months for UV-C Bulb/Lamp)
Includes all weather indoor/outdoor electronic ballast

AS PER OUR TESTS; Excellent exposure time per gph of water inside unit with a flow design that maximizes water exposure. As well as a less than 1.5 cm distance between UV inside wall and quartz sleeve (approx .6 cm reaction chamber) with an Intensity Factor of at least 250.

This ENSURES the SunSun Compact UV can provide at least LEVEL ONE UV Sterilization!!

ALL these Compact UVs can be used in Fresh or Saltwater Aquariums, as well as for Pond use

Excellent value, especially when compared to the Tetra UV or gimmicky units such as the Turbo Twist which I have personally used in our sister aquarium maintenance & design business with NO better results, not to mention the high rate of ballast failures for the Turbo Twist noted by our aquarium maintenance company

Quite simply there is NO better UV in its class, the "Compact Aquarium or Pond UV Sterilizer" (yes there are better units for more money in a different class such as TMC Advantage or Vectons).
Standardized Replacement UV Bulbs/Lamps; NO problem finding replacements unlike proprietary UV bulbs used by many UVs such as Tetra

Terminator/SunSun UV Clarifiers can be installed in-line, (such as with a Canister Filter or power head) placed on a valve controlled bypass, or hung on the back.
For HOB applications where an internal power head/pump/filter is used, I recommend the purchase of the intake and return adapters which are sold separately to keep tubing from "kinking" (see picture of these lower on this page).

EXCELLENT for use with Bio Cube or Internal Wet/Dry Filters for which they easily install to (See this blog post: Bio Cube, UV Sterilizers )

These Compact UV Sterilizers/Clarifiers use 3/4 inch to 1.50 inch ID (inside dimension) tubing, except for the 7 Watt SunSun/Terminator which uses inch to inch vinyl tubing.
We recommend a pump with at least 4 feet of head pressure to adequately "push" water through even a 5 Watt UV.
These UVs are not designed to be "hard plumbed" directly to PVC, rather utilized with flexible tubing then to pump/filter or PVC.

SunSun/Terminator UV Sterilizers/ Clarifiers use easy to find/purchase standard low pressure mercury UVC lamps are rated at 36,000 to 42,000 microwatt-seconds per square centimeter (uw-sec/cm2), which is the industry standard. Although be aware that many "standard" UV bulbs now sold for low prices at eBay & Amazon are medium pressure which only provide 7-14% UVC irradiation.
Many popular brands of UV Sterilizers such as Cal Pump or Tetra use proprietary UVC Lamps/bulbs, forcing the purchase of replacement UVC bulbs at often triple the price of industry standard bulbs.

*For more about Ponds including a UV Pond Installation Diagram

Although we give many pond/aquarium size suggestions, these can vary greatly based on bio load & more and in the case of ponds for instance, even a very small pond in full sun in a warm climate would likely be best with a minimum of a 9 Watt UV Sterilizer.
Please see Why Use UV Sterilization; Correct UV Sterilizer Use for more in depth information to help best fit your aquarium or pond UV Sterilizer/Clarifier


Please note that while our suggested aquarium/pond sizes as well as recommended flow rates may seem lower than most other web sites UV Sterilizers/Clarifiers (& even what the manufacturer writes on the box), this is because we publish tested and proven flow rate and aquarium/pond size suggestions based on our 30 years experience, not best case scenario or even impossible flow rates.
Know that when you purchase a UV Sterilizer from us whether the SunSun/Terminator, TMC or others that recommendations are based real world experience and facts.


Also consider the TMC Vecton/Advantage Premium UVs such as the Vecton 8 watt, which due to their high UVC dwell time actually outperforms a 9 watt Terminator or the 15 Watt Vecton or Advantage which outperforms the 18 watt SunSun/Terminator.
See this article for more about: UV Dwell Time

SunSun/Terminator Compact UV Sterilizers

Terminator 7 watt UV*SUNSUN CUV-107(Formally Terminator) 7 WATT QUARTZ UV STERILIZER -$59.99

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Now a 7 Watt UV for not much $$ more than the previous 5 Watt UV

For aquariums up to 100 gallons (best under 80 gal.) or ponds up to 300 gallons (10" in length)

Suggested flow rates 175/315gph (aquarium/pond); this is very generalized, Please read this article for more specifics: UV Sterilization, all about

Design of UV maximizes the length on the UV body, allowing for more REAL UVC exposure time, without the gimmicks of "Twists" that actually lower the dwell time of UV Sterilizers

*We have found to 5/8 inch ID Tubing works best with this size Terminator UV

*UVC Bulb included, replacement bulb available here:
7 watt Replacement lamp; G23/PLS 7
(Click Picture to enlarge)

SunSun, Terminator 9 watt UV*SUNSUN CUV-109A (Formally Terminator) 9 WATT QUARTZ UV STERILIZER - $67.99

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For aquariums up to 150 gallons (best under 100 gal.) or ponds up to 1000 gallons (11" in length)

Suggested flow rates 225/360 gph (aquarium/pond); this is very generalized, please read this article for more specifics: UV Sterilizations, all about

Unique Swivel directional intake/outlet at the end of the UV Sterilizer body; with this you can change the direction this inlet/outlet port faces for easier mating to specific aquarium or pond applications.

Easy to view light port at the end of the UV Sterilizer body allows for user to see if the UV lamp/bulb is properly functioning.

Design of UV maximizes the length on the UV body, allowing for more REAL UVC exposure time, without the gimmicks of "Twists" that actually lower the dwell time of UV Sterilizers

*We have found 3/4 inch ID Tubing works best with this size Terminator UV
Since this UV Sterilizer generally works best with pumps or filters that utilize 5/8" (16mm) ID Tubing, we suggest a couple of these 1/2-5/8" x 3/4" adapters for a more easy fit:


*UVC Bulb included, replacement bulb available here:
9 watt Replacement lamp; G23/PLS 9
(Click Picture to enlarge)


SunSun Terminator 18 watt UV*SUNSUN CUV-118 (Formally Terminator) 18 WATT QUARTZ SLEEVE UV STERILIZER- $99.99

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All NEW Improved flow design, with a 'switchable inlet/outlet port that allows the user to have both ports on one side or one part on the opposite side of the UV for ease of mounting in aquariums or ponds.

An efficient sterilizer (the best of any compact UV) for up to 300 gallon aquariums (best under 200 gal. aquariums) or 2500 gallon ponds. (15" in length)

Includes Flow Indicator (built into clear hose barb)

Suggested flow rates 450/850 gph (aquarium/pond); this is very generalized, please read this article for more specifics: UV Sterilizations, all about

We have found , 1, 1.25, or 1.5 inch ID flexible Tubing works best with this size SunSun Terminator UV Sterilizer/Clarifier.
If used with pumps or filters that utilize 5/8" (16mm) ID Tubing, we suggest a couple of these 1/2-5/8" x 3/4" adapters for a more easy fit:


For pond use, as with ANY UV; we also suggest that the UV be mounted under a rock, or other covered exposure to protect against direct weather damage. It is however weather resistant and perfectly safe for pond use.

New; Includes optional 'Boot' to place at the end of the bulb prior to inserting into the quartz sleeve to protect against breakage (the use is not required)

*UVC Bulb included, replacement bulb available here:
18 watt Replacement lamp; G11/PLL 18
(Click Picture to enlarge)

Terminator 36 Watt UV*SUNSUN CUV-136 (Formally Terminator)36 WATT QUARTZ SLEEVE UV STERILIZER- $135.99
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All NEW Improved flow design, with a 'switchable inlet/outlet port that allows the user to have both ports on one side or one part on the opposite side of the UV for ease of mounting in aquariums or ponds.

An efficient sterilizer for up to 500 gallon aquariums (best under 400 gal.) or 4000 gallon ponds. (20" in length)

Suggested flow rates 900/1700 gph (aquarium/pond); this is very generalized, please read this article for more specifics: UV Sterilizations, all about

*We have found , 1, 1.25, or 1.5 inch ID flexible Tubing works best with this size Terminator UV
pvc, but this is not a standard connection)
New; Includes optional 'Boot' to place at the end of the bulb prior to inserting into the quartz sleeve to protect against breakage (the use is not required)

2 of these 36 Watt UV Clarifiers can easily paired connected in line (one 36 Watt Terminator UV immediately after the other) for even larger ponds, although this does not quite double pond size; a Set of 36 Watt Terminators can easily handle most 7000 gallon ponds with a flow rate of 2500-2800 gph.
Or for more effectiveness (8000 gallons & larger), two Terminator 36 Watt UV Clarifier can be on separate lines/pumps with water intakes and returns in different sections of the pond.

*UVC Bulb included, replacement bulb available here:
36 watt Replacement lamp; G11/PLL 36
(Click Picture to enlarge)
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AQUARIUM UV KITS


*TERMINATOR 7 WATT UV STERILIZER/ INTERNAL FILTER KIT- $99.99

*TERMINATOR 9 WATT UV/ INTERNAL FILTER KIT- $112.99

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All kits include tubing & have tubing partially attached and pre-cut.
All kits include return and intake adapters
7 Watt Kit includes SunSun HJ-752 Filter & 7 Watt Terminator UV

9 Watt Kit includes the SunSun HJ-952 Multi-Stage Filter/ Pump at no extra charge)

9 Watt Kit also includes more tubing (12 inches to pump/filter) and a right angle adapter, as well both kits configured to sit in aquarium exactly as shown in each picture (the 9 watt is not intended to fit the same was as the 7 watt), this of coarse can be modified but defeats the purpose of purchasing a kit

Please click on the pictures for a better view of the UV Kits (Please note that the "kits" are mounted on the side for better picture viewing, we recommend mounting on the back)


These UV Kits are intended as a one size fits all application where we send you the parts already cut with 80% of the connections ready to go, the kits simply set on your tank exactly as shown in the pictures. If your tank is deeper than 12 inches, the Pump/filter may not reach the bottom on the 9 watt combo (this is not a problem).
However if you prefer a more exact fit, or for different variations/applications (such as placing the HJ-752 Filter horizontally on the bottom); then purchasing these parts separately may be the better option (such as longer lengths of Tubing)

Please see the left side bar for another diagram of this installation (5 Watt Application)
*Besides the picture above (which enlarges by clicking on it), there is another demonstration picture near the bottom of the page or click here: 7 Watt Terminator Attached to Aquarium Picture

We have tested and used these above units (personally & in our maintenance companies, the SunSun/Terminators are far superior to many of the poor quality compact UV units flooding the market that sell for $30- $50 (the ballasts and light burn out quickly, have leak problems, and very poor flow designs with poor UV-C penetration and exposure time! ).

ADDITIONAL OPTIONAL PARTS:
Sold on Separate Web Page

Aquarium & Pond Plumbing Parts

*UV Water Return and Intake Adapter
For use with Vecton, Terminator, or any other under aquarium UV Sterilizer. For use with in-tank power heads or internal filters to safely return or intake water to the aquarium without hose kinks.

*3/4" X 1/2" (TO 5/8") Hose Barb Adapter
Useful for adapting 3/4" inch hose barbs on UVs (such as the 9 Watt Terminator) or other aquarium equipment to the 1/2 to 5/8" hoses common Ehiem and other filters.
FOR EXAMPLE; to fit a 9 Watt Terminator to a Fluval 404 Filter, you would splice the out flow tubing and connect the 1/2 to 5/8 barb to the filter tubing on both sides and the 3/4" barb would attach to the Terminator (in the middle of the outflow).


*Water T Diverter Valves
For use with ponds, sumps, or any high flow water application where the flow rate exceeds the recommended GPH per watt for a UV Sterilizer as well as other applications

Please Click on the above picture link to purchase these items form the Plumbing Parts Web Page


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