Accurately measures the moisture in your compost to let you know immediately whether to add water or not. Use right in the chamber of your ComposT-Twin. Also useful for houseplants.
The Mantis Promise
Try any product that you buy directly from Mantis with NO RISK! If you’re not completely satisfied, send it back to us for a complete, no-hassle refund. Risk free trial periods vary by product. Please check the product pages for more detailed information.