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This method consists of a clay pot and two plastic pots, one acting as reservoir and the other linking the reservoir to the clay pot.

As clay pots are porus, water will slowly seep through the walls (as long as it is not glazed) and as long as the reservoir water level is higher than any water level in the pot this will continue.

Bear in mind the reservoir and link pots could be any container depending on your needs, this variant just sacrifices water capacity for aestetics.

OBS - Make sure the clay pot fits snugly in the plastic pot and is NOT glazed or painted.


Clay pot size 14cm

2xPot plastic sice 14cm + 1 drip tray (or 3 for aestetics as in picture)

Rubber tubing 8cm (avbl at MakerSpace)

  1. Glue flat piece of something over any holes to block them. Wait until dry and glue generously from the other side to ensure hole is watertight.
  2. Drill one hole 30mm up from the bottom in each pot, diameter the same or slightly less than the tube diameter.
  3. Cut a ~8cm tube  and insert each end in the holes. Glue from both sides and ensure water tight seal.

Fill with soil and plant. Use the drip tray as cover for the reservoir. Remove to refill.

Water seep-through speed to clay pot decreases with lower reservoir water level, and as the clay pot doesn't reach the bottom of the plastic pot it sits in, the water below (roughly tube height) is unusable.

Over time you may get some algae growth. This may affect the aestetics by turning the tube green and also the reservoir, but you probably want a lid anyway. It should not affect the function in any way.

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