100L Vermiculite Bag Grade 3 Horticulture Plant Garden Crop Growing Media 1-4mm Other Education Toys - Digital Display: Clear and

- Digital Display: Clear and easy-to-read LED screen for precise temperature monitoring

and the red line is the positive pole

Easy Access: The anti-rust

The gold detectors for adults professional have all metals mode and discrimination mode

Pacakage include

100L Vermiculite Bag Grade 3 Horticulture Plant Garden Crop Growing Media 1-4mm Other Education Toys - Digital Display: Clear andVermiculite products improve soil aeration by containing spaces within the particles that can contain air so plant roots can receive oxygen. Vermiculite helps with moisture retention in sandy soils and aeration of clay soils. It is excellent for mulching and decorating planter boxes and hanging baskets and can be added to potting mix to improve moisture retention and drainage. It has medium air porosity. Features And Applications Excellent for