Summary First off, the device is a bit large; Don't expect it to stick out of your tank if you have a smaller tank. Even in my 60 gallons. it was easy to remember. Second, it doesn't have flow control, so with that in mind I bought a "weaker" one. God, that uprooted some of my plants! OK. The fish withstands strong wind weather. OK, I took it out. Installation and setup. You'll think it broke out of the box. The stick you have to put in the hole doesn't seem to work. The instructions are poorly translated and therefore difficult to understand. "Explosive image" better read it from the outside. In any case, there are unnecessary steps to take, I find out for myself. It is not that hard. The suction power is not strong enough. I mean, I'm not complaining about the $12 pump, but it certainly should work on a basic level. Conclusion If you're looking for a cheap work/fail solution, it's only $12 and it sort of 'gets the job'. If you have a large tank and just need to move water, that's great. Otherwise stay away, spend the extra $10 and get a quality pump.
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