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Most Recent Questions
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Should this UV sterilizer be able to eliminate white hairy algae?
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Does the transformer on this work in Europe? (110-240v or only 110v?)
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Do you carry coralife turbo twist UV sterilizer bulb
Recent Question:
How to keep water in aquarium clear
Recent Question:
can you use this uv sterilizer with a fluval 06 canister filter?
Questions with Most Recent Answers
Question:
Can I run the clarifier and pump upside down?
Question:
can i buy this in the stroe i don,t wanna waite for shiping
Question:
can the green machine uv sterilizer be used in salt water tanks?
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Customer Questions & Answers for
AA Aquarium Green Killing Machine Internal UV Sterilizer with Power Head

Helps keep your aquarium water crystal clearKills algae, pathogens and harmful bacteriaReduces water changesFast and easy installation
Customer Questions & Answers:
21 Questions,
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33 Answers
Overall Rating:
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Questions & Answers for AA Aquarium Green Killing Machine Internal UV Sterilizer with Power Head

Question

can the green machine uv sterilizer be used in salt water tanks?

asked 1 year, 9 months ago
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j84j
on Green Killing Machine Internal UV Sterilizer with Power Head
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5 answers
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answer 1
Yes if you go to the store it says you can on the box.
answered 1 year, 2 months ago
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Aquariumman23
Katonah, NY
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0out of 0found this answer helpful.
answer 2
Yes
answered 1 year, 6 months ago
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TurtlePower
San Francisco
+1point
1out of 1found this answer helpful.
answer 3
i'm using it in a saltwater it is working great
Best Answer
answered 1 year, 7 months ago
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mizzshelly
va
+2points
2out of 2found this answer helpful.
answer 4
yes it can
answered 1 year, 7 months ago
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aquaticsspecialtist
Rapid City, SD
+1point
1out of 1found this answer helpful.
answer 5
Yes it can be used in both saltwater and fresh water. I have used them in both with exceptional success. I thought my water was clear before but not it is like crystal. Absolutely the best. Will not have another tank without one!!
answered 1 year, 9 months ago
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Mudhen
Houston, TX
+1point
1out of 1found this answer helpful.
Question

Will this hurt the bio-filter?

I have a cycled ten gallon freshwater aquarium with one female swordtail in it. I do 20-25% water changes once a week and every time I have to clean the algae off the glass. Will this fix the algae problem? And I also dont want this to hurt the bio-filter. Thanks for the answers!
asked 2 years, 3 months ago
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Csunday
Tahlequah, OK
on Green Killing Machine Internal UV Sterilizer with Power Head
+19points
21out of 23found this question helpful.
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4 answers
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answer 1
It cleared up my algea problem in 1 week. I think you are doing too much water change. 10% every other week is plenty. Get this and you will need to do it once a month only. Does not affect bio filter
answered 7 months ago
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fishlover1000
miami, fl
+1point
1out of 1found this answer helpful.
answer 2
Don't over-feed, this will also help keep your water clear. The UV Lamp will nort hurt your Bio Filter. Remember the good bacteria in your Bio Filter is in your bio chamber, filter media location, etc. As all your waste material passes through these areas is where the action takes place, not in your UV Sterilizer.
Best Answer
answered 1 year, 5 months ago
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Bigpoecilia
Maryland
+2points
2out of 2found this answer helpful.
answer 3
the 9w would work good for your tank. it would kill the algae in your aquarium and is perfectly safe for the bio filter (nitrogen cycle) that has been established
answered 1 year, 7 months ago
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aquaticsspecialtist
Rapid City, SD
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answer 4
You'll be fine it won't effect or at least doesn't seem to bother my tank's good bacteria at all. The fish are happy and the water is very clear and clean. But if your thinking about one of these for a small ten gallon tank be sure to look for a small unit as this one I just reviewed is for larger tanks and just fit's into my 55 gallon tank. They do make a smaller mini sized unit's that should fit in a 10 gallon tank but do some research online about the size of the unit.
answered 1 year, 11 months ago
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autonomous
Le Roy NY
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Question

Does this come with a power supply?

Green Killing Machine Internal UV Sterilizer with Power Head, SKU: 1237020
asked 2 years, 11 months ago
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Anonymous
on Green Killing Machine Internal UV Sterilizer with Power Head
+7points
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3 answers
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answer 1
this device comes with everything needed to operate
answered 1 year, 7 months ago
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aquaticsspecialtist
Rapid City, SD
0points
0out of 0found this answer helpful.
answer 2
yes. 110 3 prong plug in.
Best Answer
answered 2 years, 5 months ago
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Don01
+1point
1out of 1found this answer helpful.
answer 3
Yes, it does. It is a complete unit.
answered 2 years, 9 months ago
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steve1234
Hollister,Ca
0points
0out of 0found this answer helpful.
Question

can i buy this in the stroe i don,t wanna waite for shiping

Green Killing Machine Internal UV Sterilizer with Power Head<<< this is what am looking for in live in new jersey cedar grove
asked 1 year, 5 months ago
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ROY123
US NEW JERSEY CEDAR GROVE
on Green Killing Machine Internal UV Sterilizer with Power Head
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3 answers
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answer 1
I bought mine in store
answered 7 months ago
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fishlover1000
miami, fl
+1point
1out of 1found this answer helpful.
answer 2
Yes that's where I bought mine. But call the store before you go to ask if they have it in stock.
answered 1 year, 2 months ago
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Aquariumman23
Katonah, NY
+1point
1out of 1found this answer helpful.
answer 3
I know that I can buy it in my local store, but was advised by an employee to get it online because it is usually $15-$20 cheaper online. I live in Central PA
Best Answer
answered 1 year, 2 months ago
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BReezie
Central Pennsylvania
+2points
2out of 2found this answer helpful.
Question

how can I know ig my Green-Killing-Machine-Internal-UV-Sterilizer is working?

I bought the Green Killing Machine Internal UV Sterilizer with Power Headone one month ago. I insatlled it as specified on the box. But how can I know if the UV lamp is working or not? Is there any indicator ?
Thanks in advance for your answer.
asked 1 year, 9 months ago
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imamuse1
on Green Killing Machine Internal UV Sterilizer with Power Head
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3 answers
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answer 1
If your water is clear, it's working. There's also an LED indicator on the device outside the tank which glows red when it's working.
answered 1 year, 6 months ago
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TurtlePower
San Francisco
0points
0out of 0found this answer helpful.
answer 2
on the control box there is a red led bulb. if the bulb is lit then the uvlamp is working. when this led light goes out the uv lamp is dead
Best Answer
answered 1 year, 7 months ago
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aquaticsspecialtist
Rapid City, SD
+2points
2out of 2found this answer helpful.
answer 3
There is an LED light on it which tells you it is working. When the light is out you need to replace the lamp. The light is on the part that hangs on the outside of the tank. Also your water should look cleaner than before.
answered 1 year, 9 months ago
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Mudhen
Houston, TX
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0out of 0found this answer helpful.
Question

can i use the Green Killing Machine Internal UV Sterilizer with Power Head in a 200 gallon pond...

i need to know the best uv sterilizer to use for 200 gallon pond... i have green yucky water

thanks
asked 2 years, 9 months ago
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jmb123
on Green Killing Machine Internal UV Sterilizer with Power Head
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8out of 16found this question helpful.
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3 answers
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answer 1
no you cannot. the green killing machine is made for indoor use only. any exposure to the (elements) will ruin the device and could create a potential electrical problem
answered 1 year, 7 months ago
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aquaticsspecialtist
Rapid City, SD
0points
0out of 0found this answer helpful.
answer 2
You could, but there are way better models, that can do way more. They make some specifically for your situation. Check out your local fish store, they will probably have what you need.

AquariumTech
answered 2 years, 6 months ago
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AquariumGuy
Brevard,FL
-1point
0out of 1found this answer helpful.
answer 3
YOUR BETTER OFF GETTING A UNIT MADE FOR PONDS LIKE THE TETRA U.V. UNIT. IT'S BETTER SUITED FOR PONDS.
Best Answer
answered 2 years, 9 months ago
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steve1234
Hollister,Ca
+1point
1out of 1found this answer helpful.
Question

What does a UV replacment light cost and how often does it have to be replaced?

asked 2 years, 8 months ago
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Frankjm520
on Green Killing Machine Internal UV Sterilizer with Power Head
-14points
0out of 14found this question helpful.
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answer 1
Sterilizer replacement unit runs about $20 for the small unit and $33 for the large unit.

I just changed my 9w unit after about 5 years of constant use. You'll know when your water starts turning green...and there's an LED indicator that goes off when it's time to replace it.
answered 1 year, 6 months ago
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TurtlePower
San Francisco
+1point
1out of 1found this answer helpful.
answer 2
Cost of replacement bulbs vary from one unit to another. Depends on the size of the unit as well. On the package of the Green Machine, it should be replaced every six months,. Where as my Pennair Rainbow life is every 12 mouths.
Best Answer
answered 2 years, 8 months ago
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Katchamne
-1point
2out of 5found this answer helpful.
Question

what is the size for this product ?

no information about the size for this product ,,,,,,,,,,,,,,,,,,and how much for replacement bulb on green killing machine ?
asked 2 years, 1 month ago
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tuan207
on Green Killing Machine Internal UV Sterilizer with Power Head
+1point
2out of 3found this question helpful.
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2 answers
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answer 1
Assembled unit measures 7 1/2"L x 1 7/8"W x 4"D for 9w and 15"L x 2 1/4"W x 4 1/4"D for the larger unit.

Sterilizer replacement unit runs about $20 for the small unit and $33 for the large unit.
answered 1 year, 6 months ago
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TurtlePower
San Francisco
0points
0out of 0found this answer helpful.
answer 2
16" tall at least 4" at widest measured from glass outside tank
answered 1 year, 7 months ago
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mizzshelly
va
0points
0out of 0found this answer helpful.
Question

Can I also use this for aquatic turtle tanks, such as Red Eared Sliders?

asked 1 year, 7 months ago
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Messhi
on Green Killing Machine Internal UV Sterilizer with Power Head
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answer 1
Yes, you can! I bought the Green Killing Machine for use in a red ear slider tank due to green water. It worked great, and we're all happier for that.
answered 1 year, 6 months ago
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Topaz101
0points
0out of 0found this answer helpful.
answer 2
Most certainly! I have two turtles in a 40 gallon tank that sits next to a window, and it keeps the water algae free. The size of your tank will determine what size unit you need. My tank is only half full of water so the smaller 9W does the job just fine.
answered 1 year, 6 months ago
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TurtlePower
San Francisco
0points
0out of 0found this answer helpful.
Question

Can I use a 24w green machine in a 55 gal tank

asked 1 year, 7 months ago
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pantera
on Green Killing Machine Internal UV Sterilizer with Power Head
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2 answers
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answer 1
Yes, it will work, but I would go with the smaller one, it seems a bit over board with a 24W. But if you must, it is ok
Best Answer
answered 1 year, 5 months ago
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Aquazan
+1point
1out of 1found this answer helpful.
answer 2
Yes, the larger unit treats up to 106 gallons of fresh or salt water.
answered 1 year, 6 months ago
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TurtlePower
San Francisco
+1point
1out of 1found this answer helpful.
Question

How do I replace the bulb?

Can i get a link to a manual?
asked 1 year, 7 months ago
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chunkylover817
Fort Worth Tx
on Green Killing Machine Internal UV Sterilizer with Power Head
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2 answers
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answer 1
I don't know if you already have a replacement bulb or not, but I was told that the bulbs are made overseas and cost as much/more than the unit itself so you are better off just buying another whole unit than trying to replace the bulb. I have not looked into this, it is just what I have heard.
Best Answer
answered 1 year, 2 months ago
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BReezie
Central Pennsylvania
+1point
1out of 1found this answer helpful.
answer 2
The replacement is the oblong piece. You do not need to open the black casing to get to a bulb. Currently, Petco does not stock the replacement piece.
answered 1 year, 6 months ago
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TurtlePower
San Francisco
-1point
0out of 1found this answer helpful.
Question

Green Killing Machine Internal UV replacement lamps?

asked 1 year, 10 months ago
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bighouse
on Green Killing Machine Internal UV Sterilizer with Power Head
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1 answer
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answer 1
YOu just buy the whole thing without the pumpagain. That is what is in the box when you order a new bulb.
answered 1 year, 5 months ago
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Aquazan
Minneapolis, MN
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0out of 0found this answer helpful.
Question

Can I run the clarifier and pump upside down?

Because it's so tall it will only fit in my display and I wanted to know if I could put it upside down in my sump without it burning up the pump. That way I don't have to look at it all the time.
asked 11 months ago
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thebobcat
Tucson Az
on Green Killing Machine Internal UV Sterilizer with Power Head
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answer 1
I've had mine upside down for a whole year and its doing fine , and it runs 24/7. I just have the power motor upside down with the output elbow coming out at the bottom
User submitted photo
answered 2 months ago
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Joel13
Ma
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0out of 0found this answer helpful.
Question

I would like to know if I can use the UV sterilizer for the 2.5gallon aquarium?

My bettas have exposed all the time under tail rot fungus, and I periodically provide the cure against the tail rot fungus, but I can't kill that fungus completely.
asked 1 year, 4 months ago
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Nusya1974
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Question

can some one give a SHU no for replacement bulb 24 watts and price? Seems like petco does not carry them. Any store suggestions?

asked 1 year, 4 months ago
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lims
on Green Killing Machine Internal UV Sterilizer with Power Head
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Question

does the "AA Aquarium AAUV24W Internal UV sterilizre with Power Head" product help get rid of ich?

asked 1 year ago
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damoke
on Green Killing Machine Internal UV Sterilizer with Power Head
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Question

Can I use the Mean Green Killing Machine in a 30 gallon outdoor pond?

asked 10 months ago
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Anonymous
roscoe, il
on Green Killing Machine Internal UV Sterilizer with Power Head
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Question

Will this uv kill white spot in a marine tank thanks( uv and power head combo)

asked 8 months ago
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Adrian2003
SA
on Green Killing Machine Internal UV Sterilizer with Power Head
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Question

what are the dimensions of the 9watt and the 24watt?? tks

asked 4 months, 1 week ago
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bogiebj
mpls mn
on Green Killing Machine Internal UV Sterilizer with Power Head
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Does the transformer on this work in Europe? (110-240v or only 110v?)

I would like to buy it but not sure I can use it in Europe with our higher voltage.
asked 4 weeks, 2 days ago
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5v3r
London
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