SUStee is a ‘watering checker’ that can tell you when to water your plant by changing its colour. Just stick this fail-proof device in your plant pot, and you’ll be at ease for quenching your plants’ thirst. One SUStee per pot takes away all your troubles. No batteries needed.

Buy SUStee Small for pots smaller than 10cm in diameter.

• SUStee is the perfect solution for all plant lovers who don’t know how often to water their plants.
• SUStee senses water at root level, no dirty fingers & damaged roots trying to gauge moist soil by feel.
• Simple to use: leave the device in the pot to continuously monitor soil humidity and show you when to water your plants. SUStee will turn from blue to white when your plant needs to be watered.
• Suitable for all kinds of plants and all kinds of soils.
• SUStee’s award winning design is simple and minimalistic so it doesn’t take away from the beauty of your plants.
• The only moisture checker for home use based on pF value (available water capacity). Professionals measure the pF value with expensive devices, but with SUStee you can become a professional too.
• SUStee needs no batteries and is environmentally friendly. SUStee’s inner core can be manually replaced. Depending on the type of soil used, the inner core has a life span of 6 to 24 months.
• Developed, designed and made in Japan.