AliExpressSelf Watering Planters
Transparent Self-Watering Round Planter (3 sizes)
Transparent Round self-watering planter with a built-in water reservoir, available in 3 sizes (S/M/L).
Why we recommend it
The clear reservoir lets you see exactly when it's time to refill — no guessing, no overwatering.
$8.00View on AliExpress