EDIT: ok it's definitely for occasional/non-permanent underwater use. Over time, the water still leaks out. I have about 6 months of use in the watering can. At this price I don't mind changing the pump once or twice a season. The Irrigation Bucket Option 2 allows the pump to be raised above the waterline when not in use. I hope this increases the time between replacements. I will buy again knowing the limitations. Original: I hesitated to try them after some reviews here. Decided to give them a try as the project is not "mission critical" and the pumps are intended for occasional use, not continuous use (which I doubt they would be useful). Based on the leakage feedback, 48 hours before building the project I "re-sealed" all the connections around the pump housing. I'm giving it 5 stars for the time being because I haven't tested all 5 devices yet. If there are issues, my rating will be adjusted, but only to accurately reflect the extent of the issues. (This caveat is because it's sad that so many people in this Yelp! generation tend to crash businesses/products with unjustified 1-star ratings due to minor issues and/or not giving the seller a chance to solve it.
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