Kamoer NKP low flow peristaltic pump 12V dc DIY liquid small dosing pump for aquarium lab analytical 3mm ID x 5mm OD

I'm using 6 of these pumps (one per pot) in an ESP32 controller based plant watering system I designed and built.I've got a container I'm using as a water reservoir, and use flexible silicone tubing to deliver water, with a tee at each point where I've got a pump connected.I'm driving these pumps with only 5V instead of the 12V spec, and they work fine (at a lower flow rate, of course). I've calibrated the pumps to know their actual flow rates (they vary about +/-15 percent from average). Although there is unit-to-unit variation, they are very repeatable over time once calibrated.I've got soil moisture sensors in each pot, so with the appropriate number of days between waterings, and when the soil reaches the appropriate level of dryness, I command these pumps to deliver a specific amount of water (different for each plant).I've been using them for several months now, and all are still working perfectly.

It has great flow rate for a such a small inexpensive pump.

Peristaltic pump needs external 12 volt DC power supply. Included silicone tubing has small diameter and a little difficult to manipulate. Pump works well but slowly due to small diameter tubing.

Item as described, arrived faster than anticipated at a great priceCan't ask for much more than that!

Decent pump and a standard model for Kamoer. Tubing size lines up well with standard aquarium 3/16 "Airline Tubing."

This motor was not even running for a week and the tubbing cracked causing Hundreds of dollars in damage.

Works will and is cheap

The only suction pump which really works. The biggest problem is the tube wears out & has to be replaced frequently. Either it'll start drawing in air instead of water or it'll start leaking when the tube wears out. There's no warning. It won't fit 1/4" tube from hardware stores. It only works with super expensive 3mmx5mm tube.