Hydrofarm Big Saucer Black 20" case of 5 AgroBrite it has (36) six-inch square

it has (36) six-inch square mesh openings that will gently yet firmly maintain your plants in proper upright position as they become heavy through the flowering process

Hydrofarm's windowsill heat mat is perfect for veteran growers

Each bucket holds approximately 13 L of clay pebbles or similar medium

Over-hydrating plants and shrubs can diminish plant health

100% soluble and does not need agitation in the tank

Hydrofarm Big Saucer Black 20" case of 5 AgroBrite it has (36) six-inch squareProduct Details These super sized black saucers are made from durable, hard plastic. They're washable, reusable, and come in sizes to accommodate most pots. Made in the U. S. A. Specs Attribute name Attribute value Barcodes 638104025737 (UPC A) Dimensions 20. 3L x 20. 3W x 4. 8H (CS) 48. 0L x 40. 0W x 77. 0H (PL) Shipping Weight 10 lbs.