Deep Blue Professional ADB12909 In Tank UV Sterilizer for Aquarium, 9-watt

Save your money and buy another product. I bought this 100 gal. UV sterilizer/filter for a 46 gallon tank and the water is just as green and cloudy as it was before the installation of the filter. The UV light is working because at night in a totally dark room you can see the blue glow of the light. However, the pump does not work as I can feel no water motion coming from the ejection outlet and the water is a nasty cloudy green. I have a garden pond with a UV filter and that water is crystal clear so I know what it should look like with a fully functioning UV filter. I do not recommend this filter. If you don't like disappointment you'd be better off to keep looking and spend your hard-earned money elsewhere.

FIRST POST I am very pleased with this product. In a matter of hours after placing the sterilizer in my tank I could see the difference in clarity in my water.

SECOND POST -The UV Sterilizer has been in my tank for over a month now and I am more than very pleased with the results. My water is crystal clear and I now have very happy saltwater fish!

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The first issue is that the box it comes in touts its fucntion as to kill algae and pathogens. No where on the box does it tell the buyer who Deep Blue is and where it is loctated. The instructions are non-existent. The only thing that comes with the instructions is warnings and disclaimers. The instructions consist of a childlike drawing of an aquarium with arrows with words above it which are illegible. The unit comes in two pieces and the fittings are cheap and fall apart. There is no way to determine if the unit is even working. The UV lamps are enclosed in a plastic unit and the only way to determine if the unit is working is to take it apart. Most higher level units will have a small hole to expose the lamps so the user can determine if the light is still on and working. The ciculation pump falls apart in two pieces and is so small it doesnt even produce a small ripple of water. Clearly, this does not move the water as advertised.

I was interested in the unit merely because it was submersible and I would not have to alter the flow of my Fluval cannisters to meet he flow requirements of other UV products.

Save your money and buy a unit at your local fish store so you can determine if the unit is quality.

The seller Direct Line Superstore issued a refund without argument for which I am grateful.

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Love this item. Very easy to use and it is great that you can totally submerge it. The replacement bulbs are expensive as I bought a spare to have on hand.

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