Sunshine Advanced Mix #4 (3.0 cu. ft.) Hygrometer Surgical stainless steel holds a

Surgical stainless steel holds a sharp edge longer

They work great in all hydroponic applications

This product is also useful to support your plants as they transition into blooming

Thanks to a special design of the disc's grooves and a 1-backbone structure

Sunshine Advanced Mix #4 (3.0 cu. ft.) Hygrometer Surgical stainless steel holds aSunshine Advanced Mix #4 is meticulously formulated to meet the needs of professional growers, yet is easy to use for beginners. It contains Canadian sphagnum peat moss, coarse perlite, coconut coir and an organic starter nutrient charge. This mix is also complemented with multiple strains of mycorrhizae and an organic wetting agent. Formulated to retain moisture while improving root aeration and drainage, this mix ensures a strong, healthy root