The Autopot automated watering system is an excellent, gravity-fed design that’s easy to install and maintain.
The only self-watering system that doesn’t rely on an electric pump, the great advantage of this system is that it can be expanded on a pot-by-pot basis.
The system works by storing nutrients in a tank – a 47 litre tank is available and suitable for one to four Autopots; larger systems will require a larger water butt, 100 litres for five to ten pots, 220 litres for 10 to 20 pots and 350 litres for up to 36 pots.
Each Autopot module consists of a 15 litre pot and tray measuring 35cm long x 25cm wide x 30cm high. Always ensure your nutrient tank is at least 15cm higher than the highest Autopot tray and refill the tank when it drops below 1/3 full.
Customer feedback has told us that the system works incredibly well with soil, particularly a well buffered light mix or batmix, and that it is worth putting a couple of litres of clay pebbles in the bottom of the pots.
It’s possible to leave the Autopot system for seven to ten days at a time depending on plant size and environmental conditions, but while the system itself doesn’t require a pump to work, we would suggest putting a small mixer pump in larger water butts to prevent the nutrient solution from separating.
Hesi soil nutrients are generally our choice when growing under lights, General Hydroponics seems to work best in a greenhouse environment.