Sun Gro® Sunshine® #4 with Mycorrhizae - 3cu ft compressed 3.8 cf:3.8 CF If you choose shipping at

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Works with all fertilizers and foliar sprays

Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program

Quality nutrients & additives from Hydrofarm

Use Tiger Bloom with Big Bloom for best results

Sun Gro® Sunshine® #4 with Mycorrhizae - 3cu ft compressed 3.8 cf:3.8 CF If you choose shipping atA premium mix for indoor growing, Sunshine Mix #4 with Mycorrhizae contains a higher amount of horticultural perlite for plants that prefer greater air porosity. It is the classic #4 boosted with endomycorrhizae. This product contains RESiLIENCE, which may improve resistance to wilting. Low phosphorus fertilizer has been included to better support mycorrhizae establishment and growth.