Timed fluid dispenser?

Hi,
I am looking for an equipment that will automatically dispense liquid fertilizers. for example I want to dispense about 1 ml per hour or so....
is there any such equipment available? if so what given name should I be searching for?

regards,

Neil
Answers:
You could try "infusion pump" which is also known as an "iv pump" for giving fluids intraveneously.

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