pumps and timers

by Don
(USA)

I have a hydroponic tomato plant in a bucket with an air stone.
Do I leave the air pump on all night?
How long should the air pump run with plants?
Should the air pump, fan, and lights all go off together under a timer?

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Answer from Stella/Simon:

Hi Don,

The air stone/air pump stays on all the time to oxygenate the solution.

Exhaust fan and lights go off and on together under a timer (the fan exhausts the heat from the lights).

Hope this helps,
Stella

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Comments for pumps and timers

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Mar 19, 2011
Fans on timers - pumps and timers
by: Mark

A side note on the fan going off.... If you have a sealed environment such as a secret jardin or grow cabinet you may want to have the fan on 24/7 as well. O2 is one of the most overlooked things in growing. Fresh air is key to thriving plants. But if not you can definitely have them off to save energy. Hope this helps! :)

Jul 29, 2012
air
by: Anonymous

another side note is depending on the nutrients you're using some manufacturers like House and Garden state NOT to use an air stone ever because it de-stabilizes the nutes with the added oxygen. I still put air to mine and use house and garden with no issues so far, I just can't stand the idea of a stagnant pool feeding my plants but that's what they recommend. I think it depends on the system you're running, drip - don't worry about the air, ebb & flow-don't worry there either, deep root- you've gotta have air.

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