Can I control a dosing pump flow using a fan control? - The Planted Tank Forum
The Planted Tank Forum > Specific Aspects of a Planted Tank > DIY > Can I control a dosing pump flow using a fan control?
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post #1 of 4 (permalink) Old 12-06-2016, 07:58 AM Thread Starter
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Can I control a dosing pump flow using a fan control?
Hello,

I was wondering is it possible to control the flow off a dosing pump like that one:
Click image for larger version Name: Screenshot_20161206-094915.jpg Views: 22 Size: 46.3 KB ID: 697466

Using this fan controller?
Click image for larger version Name: Screenshot_20161206-094350.jpg Views: 24 Size: 19.3 KB ID: 697474

Click image for larger version Name: Screenshot_20161206-094323.jpg Views: 20 Size: 54.2 KB ID: 697482

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post #2 of 4 (permalink) Old 12-06-2016, 11:43 PM
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The only issue might lie in the stated input voltage of the pump. It shows 12V instead of a variable input. Most motors like that will work with a varied input voltage, such as the fans, but that isn't universal.
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post #3 of 4 (permalink) Old 12-07-2016, 12:12 AM
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You could use a PWM device to control the 12V to the pump.

AquaticTechTank.net ? View topic - Cheap peristaltic pump!

The diode and capacitor is to prevent backward current since motors will generate current.

They make brushless pumps too if you want a very long lasting pump.

As for the Fan controller, it'll work but not sure how accurate it is in controlling the pump.

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Last edited by mistergreen; 12-07-2016 at 01:30 AM. Reason: +
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post #4 of 4 (permalink) Old 12-10-2016, 05:16 PM Thread Starter
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I think I just go with a seconds timer relay.

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