{{ 'fb_in_app_browser_popup.desc' | translate }} {{ 'fb_in_app_browser_popup.copy_link' | translate }}

{{ 'in_app_browser_popup.desc' | translate }}

Join the ONF Membership to Enjoy Exclusive Rewards and Benefits

Flat One+ Coming Back | Pre-Order & Save!

Plant Lights & Moisture Meters – Multi-Pack Offer On Now!

Join the ONF Membership to Enjoy Exclusive Rewards and Benefits

Flat One+ Coming Back | Pre-Order & Save!

Plant Lights & Moisture Meters – Multi-Pack Offer On Now!

Join the ONF Membership to Enjoy Exclusive Rewards and Benefits

任何植物都需要土壤濕度計

Color changes tells you the right time to water

Watering Checker

"I don't want to make any watering mistakes that kill my plants."SUSTEE was born out of this common desire.

> Shop Now

常見問題

How do I take care of SUSTEE?

Does Sustee have an expiration date?

How much water should I use?

Can SUSTEE be used for any plant?

Where should it be inserted?

Watering frequency varies from one type of plant to another. Does SUSTEE work for different types of plants?

When should I water?

I see no color change on SUSTEE after watering. What's wrong?

How long does it take SUSTEE to indicate a color change?

Is it recommended to have SUSTEE show blue all the time?

How often do I change it?

SUSTEE turns whitish at different rates, depending on whether it is in the pot or out of the pot. Is it working properly?

How do I know when to replace the core refill?

Will the change of color alter with the seasons?

Is SUSTEE affected by water sprayers or rain?

Is SUSTEE affected by mineral or organic fertilizer or influenced by pesticides?