Quote:
Originally Posted by SouthPark
I'm still waiting for a device to arrive - from ebay. It's called "Automatic-Drip-Irrigation-Plant-Kit-Self-Watering-Can-Timer-System-Indoor-Garden".
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The watering system with timer arrived yesterday, which uses four AAA batteries. The system is definitely workable. The motor is definitely powerful enough to draw up the water from a water tank that is placed nearby - but below the level of the plants. The reason for placing below the level of the plant (and not above) is to avoid a siphoning effect, which could make the water just keep coming out even when the pump turns off.
The nice thing about it is, the duration of watering can be from 1 second burst (which probably won't be used - too short heheheh) up to 99 seconds.
So for keeping LECA wet a bit up the top, just spread the tubes around a bit up the top, or put small little micro-sprays aimed at LECA surface, and automatically spray a short burst.
This system as it is, can be programmed to water every day, or every 2 days, or every 3 days, etc.
I'm sure that it's possible to just grab the pump section and use something else to turn the pump on and off, such as spray once several times a day (if needed).