Description Contains a higher amount of horticultural Perlite for plants that prefer greater air porosity. Our classic #4 boosted with endomycorrhizae. Contains RESiLIENCE; our silicon-enriched additive; may enhance plant growth, flowering and improve resistance to wilting. OMRI Listed?. 3.0 CF compressed bales (expands to up to 6 CF). MIX 4 - WITH MYCORRHIZAE INDOOR Brand: “SUNSHINE” Size : 3 CF Capacity: 3 cu-ft Form: Solid Granular Special Features: NO 4 Features This high drainage mix is formulated with peat moss for increased moisture retention, optimum air exchange and high caution exchange capacity plus course perlite for amplified root zone aeration It include a multiple strain mycorrhizal blend and line gypsum and proprietary wetting agent Dries out faster than some mixes that have more coir Contains a higher amount of horticultural perlite for plants that prefer greater air porosity Our classic NO 4 boosted with endomycorrhizae Low phosphorous fertilizer included to better support mycorrhizae establishment and growth Contains Resilience™ for stronger stems and improved root mass