PVP Perlite Size:Coarse 20 qt. up against a wall or

up against a wall or put two back to back to make a flexible pyramid display

Simple two-point calibration process for ongoing accuracy

Covering: 6mm Double-Wall Polycarbonate Panels

If water quality is a concern

PVP Perlite Size:Coarse 20 qt. up against a wall orThis sterile, white propagating medium is used to keep soil loose thereby allowing air and water to reach plant's roots. Perfect amendment for propagation and seed cultivation, plug production and transplants, interiorscape and planter growing, composting, hydroponic cultures, turf and lawns and around shrubs, trees, and landscaping. Perlite has been used for many years throughout the world for soil conditioning and as a component of growing mixes