I don't know why this pump has so many bad reviews. I've had the L20 for almost 2 1/2 years now and have never had a problem so I'd say it's reliable and good value for money. I use it submerged in a bucket to add reclaimed reverse osmosis water to my tank for a water change. From the bottom to the top of the tank is just over 4 feet, which the pump handles perfectly and is almost silent. I'm sure there are more powerful pumps out there that some people might need, but I don't. All I can say is that compared to all the work I would have to do lifting buckets of water by hand, this thing paid for itself many times over!
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