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Waterworks' olla-inspired working ensures a natural gradual distribution of moisture from the partly porous terra-cotta cone into the soil it is in connection with. The glass reservoir holds enough water to last for circa ten days and clearly shows when a refill is needed.

Box: 6.7"L x 6.7"W x 4.3"H
Glass Reservoir: 3.9"Ø x 3.9"H
Terra Cotta Cone: 1.2"Ø x 3.1"H

The glass reservoir of the Waterworks set can be cleaned with hot water whenever you like. To get rid of green spots, clean with a mixture of water, vinegar and salt or baking soda. Use a bottle brush to get everywhere. We very seldomly clean the cones, but if you feel like the calcium of the water has diminished the efficacy of the system, clean out the scales with a bit of vinegar.