Square Black & White Grow Bags PE, 20 Gal | Pack of 10 Greenhouse Fans Available Phosphate (P₂O₅): 1

Available Phosphate (P₂O₅): 1

The required amount depends on source-water alkalinity

Sprouting Instructions

Durable construction reduces costly plastic dome replacements

Square Black & White Grow Bags PE, 20 Gal | Pack of 10 Greenhouse Fans Available Phosphate (P₂O₅): 1Square PE Grow Bag The white surface reflects light, helping keep plants' roots cooler. These bags are a great low cost alternative to plastic pots used by greenhouse growers. And as always, they're made from a specially formulated plastic that provides for a longer life than any other on the market. Made from a strong 5. 5mil polyethylene material can be used multiple grow seasons! The bags have pre punched holes for easy draining and stand upright