The green killing machine is an awful name for a great product that will save you a lot in buying chemicals to clear your aquarium. Ultra violet light is the next best in destroying bacteria......need to replace the bulb every few months but it's worth it....check YouTube for testimonials
Verified purchase: Yes | Condition: New
Product is exactly the same as the item it replaces which worked great. When the two items I purchased burn out I will reorder more.
Verified purchase: Yes | Condition: New
The Green Killing Machine 24 watt spare bulb is a very economical solution to your algae problems. Recommend replacing twice a year for best results.
Verified purchase: Yes | Condition: New
Very good
Verified purchase: Yes | Condition: New
The spare bulb was exactly what I needed to make the unit to be functional.
Verified purchase: Yes | Condition: New
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