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Coralife Aquarium Fish Tank Marine Salt Water Turbo-Twist UV Sterilizer 6X, For up to 250 Gallons

4.2 4.2 out of 5 stars 1,040 ratings

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6X, 18 Watt, Up to 250 Gallons

Purchase options and add-ons

  • Removes free floating algae, parasites and harmful micro organisms from aquarium water
  • Features a unique twist flow design increases water’s exposure to ultraviolet light improving the treatment of unwanted algae and microorganisms
  • For fresh or saltwater applications
  • Easy setup and installation, includes mounting brackets for hang-on or inline applications
  • Indicator light lets you know when the sterilizer is operating
  • Use Coralife UV Replacement Lamps
  • Multiple sizes to accommodate a variety of aquarium sizes

Customer ratings by feature

Easy to install
3.8 3.8
Value for money
3.5 3.5
Sheerness
3.3 3.3
Suction power
2.4 2.4

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Coralife Aquarium Fish Tank Marine Salt Water Turbo-Twist UV Sterilizer 6X, For up to 250 Gallons
Coralife Aquarium Fish Tank Marine Salt Water Turbo-Twist UV Sterilizer 6X, For up to 250 Gallons
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Price-8% $159.83
Typical:$174.63
$49.70-5% $55.77
List:$58.99
$19.99$49.99$15.99
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Value for money
3.5
3.7
3.7
4.6
4.1
4.4
Easy to clean
4.2
4.0
4.5
4.3
4.4
Sheerness
3.3
4.7
4.1
4.4
Suction power
2.4
4.3
4.0
4.4
Easy to install
3.8
3.6
4.6
Sold By
Amazon.com
TaoSurer
Sunshine 100
Aquatic Experts
Coospider
Aquatic Experts

From the manufacturer

Coralife Turbo-Twist UV Sterilizers, Coralife, UV Sterilizers Coralife Turbo-Twist UV Sterilizers, Coralife, UV Sterilizers Coralife Turbo-Twist UV Sterilizers, Coralife, UV Sterilizers
Mini 3X 6X 12X
Customer Reviews
Wattage 5 Watt 9 Watt 18 Watt 36 Watt
Aquarium Size Small Aquariums Up to 125 Gallons Up to 250 Gallons Up to 500 Gallons
coralife, salt water fish, salt water uv sterilzers

Product guides and documents

Looking for specific info?

Product Description

Coralife Turbo-Twist Ultraviolet Sterilizer removes free floating algae, parasites and harmful micro organisms from aquarium water. This unit features a unique twist flow design that increases water’s exposure to ultraviolet light improving the treatment of unwanted algae and microorganisms. It includes mounting brackets for hang-on or in-line application for an easy setup and easy installation. There's a indicator light to let you know when the sterilizer is operating. Uses Coralife UV Replacement Lamps. A water pump is needed and not included with the Turbo-Twist. Available in multiple sizes to accommodate a variety of aquarium sizes.

Coralife is a trusted brand of marine aquarium parts and supplies. We offer aquarium lighting, filtration products, marine salt mix and more.
When aquarium systems require more than just the basics - Coralife steps in. From the all-inclusive BioCube aquariums to a complete range of lighting and equipment, the Coralife brand is designed to meet the needs of the more advanced aquatic hobbyist.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 16 x 9.25 x 3.25 inches; 4.5 Pounds
  • Manufacturer recommended age ‏ : ‎ 1 month and up
  • Item model number ‏ : ‎ 100115601
  • Date First Available ‏ : ‎ November 17, 2011
  • Manufacturer ‏ : ‎ Central Garden & Pet
  • ASIN ‏ : ‎ B0064JHVOE
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.2 4.2 out of 5 stars 1,040 ratings

Important information

Directions

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Customer reviews

4.2 out of 5 stars
4.2 out of 5
1,040 global ratings

Customers say

Customers like the performance and clarity of the aquarium filter. They mention that it works well, and provides crystal clear water. They also appreciate the ease of installation and use. However, some customers have reported issues with leakage and corrosion. Opinions are mixed on quality and value.

AI-generated from the text of customer reviews

88 customers mention73 positive15 negative

Customers like the performance of the pet supplies. They say it works well, is well built, and functions as intended when intact. Some say they are impressed with the performance and have had no problems with it at all. Overall, most are happy with their purchase and recommend it to others.

"Worked like a charm!..." Read more

"Fist off, this unit works incredibly well, as expected...." Read more

"...But when it is working it works very well. They are easy to change the lamp with out removing the unit...." Read more

"...It has turned out to work as well as I hoped. I began to notice an improvement in the first 48 hours of run time." Read more

46 customers mention46 positive0 negative

Customers are satisfied with the clarity of the aquarium filter. They mention that it works well, keeps the tank crystal clear, and is invisible. Some appreciate the clear window that allows them to tell if the bulb is on or off.

"...I did lose one fish a few days later. Although the water was clear I didn’t monitor the water quality as closely as I should have...." Read more

"...after a couple days in operation at about a 250gph flow rate, my water is clearer than I've ever seen it before...." Read more

"...I have it connected to my 125 gallon tank and the water has remained so absolutely crystal clear, my snails cry to me every morning...." Read more

"...After one to two days, we started to notice that the water was not as green and cloudy as before. After 4-5 days, the water was very clear...." Read more

45 customers mention35 positive10 negative

Customers find the installation of the pet supplies to be easy. They mention that it hooks up quickly and is easy to use.

"...Sturdy and easy to set up..." Read more

"...I would recommend this product to everyone. Installation was simple. I hooked it up with my Fluval 306 canister filter...." Read more

"...a little 3/4” hose and some 1”hose then hook up was a breeze. I will update this review after I can testify to longevity...." Read more

"...Pretty straight-forward setup. Just be sure to set it up WITHOUT the bulb in first to prevent accidental bulb breakage...." Read more

117 customers mention58 positive59 negative

Customers are mixed about the quality of the product. Some mention it's high quality, built really well, and works well, while others say that the fittings are prone to cracking and the inside housing has failed. The suction cups that come with it aren't the strongest, and the bulb has a 50/50 failure rate in the first week of operation.

"...Decided on the TT 6X and was very pleased with the unit. Sturdy and easy to set up..." Read more

"...Trying to find out what it was I come to find a crack in the housing of the bulb causing water to enter...." Read more

"...But again, otherwise the filter itself is amazing! Solidly built, easy to change out the bulb as well as see if the bulb is lit up...." Read more

"...Only issue I had was the suction cups that come with it aren’t the strongest, but if you can use the clamps there is no problem." Read more

33 customers mention17 positive16 negative

Customers are mixed about the value of the pet supplies. Some mention it's well worth the price, while others say it'll waste your money. They also say the product is made and marketed deceptively.

"...This thing works, and its built really well also. Good buy for the $$$." Read more

"...It may work but is made and marketed deceptively." Read more

"...of the unit was excellent shipping time was amazing and the price was fair has cured many of the tank that I service from parasites and keep them..." Read more

"...as soon as this thing is in your hand you immediately realize how cheap and thin the plastic is.. then you remember how much you actually paid..." Read more

44 customers mention7 positive37 negative

Customers are dissatisfied with the leakage of the pet supplies. They say the internal chamber of the sterilizer leaks and rots. The bulb housing also leaks into the bulb and wiring. The seal gives out and water gets inside the bulb.

"...of the hanging had pulled or twisted the tubes going in and both ends were leaking...." Read more

"...the seal that protects the bulb/socket chamber from the water is prone to leaking...." Read more

"...After a week or so of use I noticed that there was a small leak in the glass chamber that houses the bulb...." Read more

"...half of them work fine with no problem. The other half leak into the bulb area which destroys the fixture.. doesn't seem to matter if it is mounted..." Read more

17 customers mention0 positive17 negative

Customers are dissatisfied with the corrosion of the pet supplies. They mention that the product is rusting and leaking. Some customers also report that the bulb connections are completely corroded.

"...Also see reviews that the stainless steel sleeve insert rust out, it has a 12 month warranty so I will be checking in 6 months and again in 9 to see..." Read more

"...I opened it out y today and saw it was rusted through. I would pass on this product. Not worth the money at all." Read more

"...The rust alone is a major issue in a reef tank let alone the risk of an electrical short from the leaking bulb housing...." Read more

"...Go with a different Brand. Also the metal shroud in the inside was rusting this a NO NO for Reef tanks" Read more

15 customers mention4 positive11 negative

Customers are dissatisfied with the fit of the pet supplies. They mention that the tubing does not fit, the bulb fits very loosely, and the fit has interference. Some customers also report that the sterilizer will no longer fit in the brackets due to interference with the ribs. Additionally, customers also mention that some of the attachment clamps do not fit.

"...It was a very snug fit in the first place, but once I got it clipped, it was rock solid...." Read more

"When I received this product, it was smaller than expected. The fittings are too small for my 100 gallon filter hoses....had to use hose clamps...." Read more

"...They fit perfect and most likely hold the hose onto the barb more secure than the plastic lock nuts would...." Read more

"This appears to be a good unit, but the bulb fits very loosely, and I had to send mine back for a replacement...." Read more

Works Well -- Happy So Far!
4 Stars
Works Well -- Happy So Far!
This is my first time trying one of these out.I did some homework first, just to convince myself that the whole concept isn't bunk. I think the answer to that is just a matter setting your expectations. This is not designed to kill all living material that passes through. But rather, it's intended to "sterilize" in the sense that it damages the DNA of passing microbes sufficient to impede their reproductive cycle.I'll note two issues that I have with the user manual:1) There is mention of a gasket between the end-cap and the chamber that contains the UV bulb. But there is no such gasket. (At least, not in the unit I received.)2) The diagram illustrates the plastic bulb stand-off frame fitting at the base of the bulk at the end-cap. But it doesn't go there. It goes at the end of the bulb to prevent it from making contact with the inner sides of glass chamber.As I studied the missing end-cap gasket a bit, I came to the conclusion that they only time that the UV bulb chamber will contain any water is when the inner glass breaks. I suspect that the mention of that gasket is just an error on the part of the manual illustrators. If the glass does break, then that gasket will prevent water from seeping through the end cap. To be on the safe side, I found a 65mm "Osterizer" brand gasket which is a perfect fit. (https://www.amazon.com/dp/B08RDG6KY3) I applied some silicon grease and now I have zero anxiety about the missing gasket, which I still believe is a bit overkill.One thing the user manual does right is that it is very careful to indicate the proper way to route the plumbing. It should be located on the filter outlet, and any shut-off valve should be located between the UV and the filter. I don't think the manual made mention of an explanation as to why this is important. But I believe the reason is because you need to make certain that you never let the UV run dry while it is active. When it is active it is hot. If it runs dry while it's hot, that is when the chamber glass breaks. In my install, I've got a check-valve in the sump which prevents backflow on a power outage. Preventing that backflow will also prevent the UV sterilizer from suddenly running dry in the same event. (I suspect this might be what is behind claims about the glass breaking.)For my install, I also had to think long and hard on how to mount it so that I can change the bulb without having to undo any of the plumbing connections.As for the affect on water quality, I am very pleased! It has turned out to work as well as I hoped. I began to notice an improvement in the first 48 hours of run time.
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Top reviews from the United States

Reviewed in the United States on March 4, 2018
Size: 6X, 18 Watt, Up to 250 GallonsVerified Purchase
14 people found this helpful
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Reviewed in the United States on July 13, 2023
Size: 12X, 36 Watt, Up to 500 GallonsVerified Purchase
2 people found this helpful
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Reviewed in the United States on November 1, 2022
Size: 12X, 36 Watt, Up to 500 GallonsVerified Purchase
One person found this helpful
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Reviewed in the United States on June 28, 2015
Size: 12X, 36 Watt, Up to 500 GallonsVerified Purchase
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5.0 out of 5 stars Installing a flow reducing/cutoff valve prior to the unit allows me to better tune the flow rate and regulate the UV exposure ..
Reviewed in the United States on June 28, 2015
I didn't encounter any problems during installation or experience any leakage that a couple of reviewers mentioned myself, though my unit takes quite a bit of muscle to separate the housing after the lock is disengaged in order to remove the quartz sleeve. That exercise is only needed for cleaning after being in use for awhile, not for installing the UV bulb from the get-go. I installed the 12x model in the 5/8" ID return line of my 320gph canister filter. Adaptors for larger diameter hoses were provided too. I opted to use a quality silicon based O-ring lubricant when I attached the hose fittings for added insurance against leakage and to help prolong the life of the O-rings though this isn't required or mentioned in the manual. Installing a flow reducing/cutoff valve prior to the unit allows me to better tune the flow rate and regulate the UV exposure time in the process. A graph in the manual shows that a 290gph flow rate or less kills parasites when using the 12x. The 3x by comparison requires a 55gph flow rate to accomplish the same thing (according to the graph) so one needs to choose the appropriate model for one's goals. I chose to pair the 12x Sterilizer to my 320gph canister rather than my 520gph filter as I wanted the parasite killing option if need be and I didn't want to try to restrict the flow of my 520gph canister to 290gph for that purpose even if I could. Since I wasn't aware of having any parasites in my tank before I installed the UV, I have no way of verifying how effective or not this unit is in that regard and I hope not to have to find out. I can definitely say after a couple days in operation at about a 250gph flow rate, my water is clearer than I've ever seen it before. Not that my water hasn't been predominately clear in the past, but it's stunningly clear now. This unit obviously affected suspended algae and other microbial clouding agents in a significant way. I'm guessing whatever pathogens exist in the water column are either getting fried or experiencing a bad sunburn at the very least also.
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2 people found this helpful
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Top reviews from other countries

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Max Wiebe
5.0 out of 5 stars Must have product for any fresh water tank.
Reviewed in Canada on April 8, 2019
Size: 6X, 18 Watt, Up to 250 GallonsVerified Purchase
One person found this helpful
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Philip C.
2.0 out of 5 stars Not compatible with 110V AC or simply did not work
Reviewed in Japan on July 11, 2022
Size: 3X, 9 Watt, Up to 125 GallonsVerified Purchase
Cody
5.0 out of 5 stars Absolutely amazing!
Reviewed in Canada on March 21, 2020
Size: 6X, 18 Watt, Up to 250 GallonsVerified Purchase
Gabrielle
4.0 out of 5 stars Tubulure de sortie non adapté
Reviewed in Canada on February 25, 2022
Size: 6X, 18 Watt, Up to 250 GallonsVerified Purchase
kolton
1.0 out of 5 stars Hardware made poorly
Reviewed in Canada on November 18, 2021
Size: 6X, 18 Watt, Up to 250 GallonsVerified Purchase
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kolton
1.0 out of 5 stars Hardware made poorly
Reviewed in Canada on November 18, 2021
Light works great but the hardware clips to hold up are poorly made. They are not flush and broke holding the unit it was designed for. Not impressed.
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2 people found this helpful
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