REVIEW - Green Killing machine. UV unit.

has anyone had any good experience with this item?

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Product Features
Completely submersible and sealed to ensure no water leakage.
LED warning light monitors UV bulb and signals for replacement.
Filtration pump and sponge included.
Zigzag flow design for maximum sterilization time.
Requires no tubing; Has one plug to operate both the UV sterilizer and filtration pump

Product Description
Product Description
AA Aquariums Green Killing Machine makes fighting green water easier. UV radiation is effective in controlling bacteria, yeast, mold and other pathogens that in turn control algae growth. Aquarium water flows in direct contact with the UV lamp, intensifying its function of fighting green water. The simple all-in-one design (Filtration pump and sponge included) can be hidden behind ornaments and plants minimizing on tubing around your aquarium.  A Breakthrough in UV sterilizers: Low Cost and easy to use (10 minute set-up).  Perfect for Salt and Fresh water aquariums up to 50 Gallons.  Child safe 12 Volt design that uses a completely sealed bulb assembly  pump included!  Good for novices as well as experts!  Assembled unit measures: 7.5 x 1.8 x 4 inches. FAQ: Q: Is this a disposable unit? A: The Green Killing Machine itself is not a disposable unit. Just like any other UV sterilizer; the bulb itself is disposable. The difference between AA and other brands is that we replace the lamp together with its housing, so we make sure the seal is 100% tight and easy for users. The UV lamps have a life span of about 6,000 hours; so if the LED indicator on the control box is OFF, it means you will have to replace the UV lamp assembly. Prices for these replacement bulbs are very affordable and can be purchased here. Q: Why is the flow rate so slow? A: The slow flow rate together with our ZIGZAG flow design (inside the housing) is utilized to maximize sterilizing time.

i have on though i haven't hooked it up yet though.... the sw store out here raves about it so if he says its good its good

oh the only thing bad i have heard is that sponge clogs very quickly... that about all though

Some where on the net, I read the uv light unit isn't replaceable. True?

i have seen replacement bulbs at petsmart for the 9 and 18 version

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