BUSH DOCTOR® SLEDGEHAMMER® Nutrient Rinse OMRI Listed® and Registered CDFA Organic Input Material Bush Doctor® SledgeHammer® encourages water movement through soil and soilless media. High fertilizer use can compromise plant growth over time due to concentrated mineral salt deposits. SledgeHammer® is a unique rinse formula designed to remove fertilizer buildup which may relieve nutrient lockout. Derived from saponin, an extract of the Yucca schidigera plant. SledgeHammer® is designed for organic gardening and can be used for both hydroponic and soil applications. For best results, follow one of the FoxFarm feeding schedules. How To Use: IN-GROUND GARDENS AND CONTAINER PLANTINGS: Mix 33 fluid ounces (976 mL) per 100 gallons (380 L) of fresh water. Drench soil or preferred medium thoroughly. Apply every 3-4 weeks until harvest. HYDROPONIC RECIRCULATING SYSTEMS: Mix 0.3 fluid ounces per 100 gallons (380 L) of fresh reservoir water. Combine with fertilizers during weekly feeding schedules. Kick it through your system once with every reservoir change. FLUSH: Mix 2 fluid ounces (59 mL) per 100 gallons (380 L) of fresh reservoir water. Perform a complete system flush every two weeks. Cycle system for one hour and change reservoir water.