Stack - 32 Ounce bio-organic fertilizer Safer Brand is the leader

Safer Brand is the leader in alternative lawn and garden products

and potassium

DRAINAGE AND MOISTURE RETENTION: Ideal as a lightweight draining layer in roof gardens and green roofs (both extensive and intensive)

maintaining a precise 62% RH target throughout the pack's active life

hydroponics

Stack - 32 Ounce bio-organic fertilizer Safer Brand is the leaderStack is a natural plant nutrient made from kelp extract. The nutrients in Stack encourage healthy growth and flowering. Stack gives the plant tools to reach its full genetic potential. When used as a foliar or root drench, Stack helps correct minor potassium deficiencies. Instructions for use: May be used as a foliar spray or root drench, one application weekly. Safe for use in irrigation systems. Stack contains organic ingredients and may separate