Advanced Nutrients 3950-14 Revive Fertilizer 1 Liter, Brown/A Beneficial fungi maximizes root absorption of oxygen, nutrients and water Revive by Advanced Nutrients may be used as a foliar spray or in soil or hydroponic solutions as a Corrective measure or in a regular feeding program for your plants. Repairs damaged, stressed plants and will also correct Common nutrient deficiencies. Helps your roots Gain surface mass