1 POUND of COPPER SULFATE, FINE / 20-40 mesh Crystals. Highest Quality crystals available! <<<<<<< WE SELL CHEMICALS FULL-TIME, EVERY DAY! >>>>>>> WE STOCK OVER 100 TONS OF 99% PURE CHEMICALS AND INDUSTRIAL WATER TREATMENT EQUIPMENT! Check our other listings AND completed SOLD items to see what we provide! We double-bag all chemicals, then ship them by PRIORITY MAIL! YOU get your order FAST! PLEASE ASK US FOR A QUOTE IF YOU NEED MORE THAN 2 POUNDS OF THE SAME CHEMICAL (OR DIFFERENT NON-REACTIVE / NON-HAZARDOUS CHEMICALS)! WE WILL GLADLY FIND THE LEAST EXPENSIVE WAY TO SHIP, AND CREATE A SEPARATE BUY-IT-NOW LISTING, JUST FOR YOU. FedEx, UPS, USPS, and Freight pick-up’s DAILY! We allow SCHEDULED LOCAL PICK-UP also! If you need something we don't have listed, PLEASE ASK! We create special listings every month, for our customers! Please Read ALL Handling and Caution Information BEFORE Purchasing. ALWAYS WEAR CLEAN RUBBER GLOVES, EYE PROTECTION & PROTECTIVE CLOTHING WHEN USING ANY CHEMICAL PRODUCT. KEEP ALL CHEMICALS OUT OF REACH OF CHILDREN AND PETS. SOME CHEMICALS MAY BE TOXIC TO SMALL PETS AND MARINE LIFE. PLEASE BE AN INFORMED, RESPONSIBLE USER OF ANY CHEMICALS PURCHASED. DO NOT MIX ANY CHEMICALS TOGETHER WITHOUT DOING THE RESEARCH ON THE SPECIFIC CHEMICALS AND PROPER MIXING / BLENDING PROCEDURES. Most MSDS sheets can be found easily on the Internet, but We will email the MSDS PDF file upon request. Please send us a question thru EBAY and request the MSDS for your purchase. In purchasing chemicals from this listing, YOU agree to read and take all precautions shown on the MSDS data sheet, with regard to safe usage, after purchase. Info on uses / precautions: SPECIFIC INSTRUCTIONS SEWER TREATMENT – ROOT DESTROYER * ROOT CONTROL GENERAL INFORMATION: Plant roots can penetrate through small cracks and poorly sealed joints of sewer lines. If not controlled, these small roots will continue to grow larger in number causing breakage, reduced flow, and eventually, flow stoppage. Copper Sulfate Crystals has been known to be an effective means to control roots in residential and commercial sewers. COMMERCIAL, INSTITUTIONAL, AND MUNICIPAL SEWERS: ROOT CONTROL IN SEWERS: As a preventive measure, apply into each junction or terminal manhole 2 pounds of Copper Sulfate Crystals every 6 to 12 months. At time of reduced flow (some water flow is essential), add Copper Sulfate Crystals. If flow has not completely stopped, but has a reduced flow due to root masses, add Copper Sulfate Crystals in the next manhole above the reduced flow area. For complete stoppage, penetrate the mass with a rod to enable some flow before treatment. ROOT CONTROL IN STORM DRAINS: Apply when water flow is light. If no water flow, as in dry weather, use a hose to produce a flow. Apply 2 pounds Copper Sulfate Crystals per drain per year. It may be necessary to repeat treatments in 6 month intervals, if drains become nearly plugged. SEWER PUMPS AND FORCE MAINS: At the storage well inlet, place a cloth bag containing 2 pounds of Copper Sulfate Crystals. Repeat in 6 or 12 month intervals, if necessary. RESIDENTIAL OR HOUSEHOLD SEWER SYSTEMS: When a reduced water flow is first noticed, and root growth is thought to be the cause, treat with Copper Sulfate Crystals. It is important not to wait until a stoppage occurs because some water flow is necessary to move the Copper Sulfate Crystals to the area of root growth. Usually, within 3 to 4 weeks, after roots have accumulated sufficient copper sulfate, the roots will die and begin to decay and water flow should increase. As the roots re-grow, follow-up treatments with Copper Sulfate Crystals will be required. Applications may be made each year in the spring after plant growth begins, or during late summer or early fall, or any time a reduced water flow, thought to be caused by root growth, occurs. Apply 2 pounds Copper Sulfate Crystals to household sewers. Add Copper Sulfate Crystals to sewer line by pouring 1/2 pound increments into the toilet bowl nearest the sewer line and flush, repeat this process until recommended dose has been added, or remove cleanout plug and pour entire recommended quantity directly into the sewer line. Replace the plug and flush the toilet several times. Repeat in 6 or 12 month intervals, if necessary. ROOT CONTROL IN SEPTIC TANKS, LEACH LINES AND LEACH LINE PIPES: The majority of the Copper Sulfate Crystals will settle in the septic tank itself and little will pass into the leach lines. To treat leach line pipes, add 2 pounds of Copper Sulfate Crystals to the distribution box located between the septic tank and the leach lines. To achieve effective root control in the leach lines it is necessary to transfer Copper Sulfate Crystals from the septic tank to the leach lines. A cleanout plug opening may need to be installed if the distribution box does not have an opening leading to the leach lines. Repeat in 6 or 12 month intervals, if necessary. *NOTE: Do not apply Copper Sulfate Crystals through sink or tub drains as it will corrode the metal drains. *NOTE: Copper Sulfate Crystals added to an active 300 gallon septic tank at 2 pounds per treatment will temporarily reduce bacterial action, but it will return to normal approximately 15 days after treatment. Trees and shrubbery growing near a treated line normally are not affected due to only a small portion of their roots being in contact with the Copper Sulfate Crystals. Copper Sulfate Crystals kills only those roots Inside the leach line. *NOTE: Do not use as a sewer additive where prohibited by State law. State law prohibits the use of this product in sewage systems in the State of Connecticut. Not for sale or use in the California counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma for root control in sewers. Not for sale or use in septic systems in the States of Florida, Massachusetts and Washington. *NOTE: For all sewer line treatment applications do not use more than 2 lbs Copper Sulfate Crystals (0.5 lbs. metallic copper) per application. Minimum retreatment interval is 6 months. Make no more than two applications per calendar year. Per EPA guidelines, do not exceed 8 lbs Copper Sulfate Crystals (2 lbs metallic copper) per year. TO CONTROL ALGAE AND THE POTOMOGETON POND WEEDS, LEAFY AND SAGO, IN IRRIGATION SYSTEMS: Once the amount of Copper Sulfate Crystals required for treating ditches or streams has been calculated, use a continuous application method, selecting proper equipment to supply the granular crystals. Minimum retreatment interval is 2 weeks. FOR ALGAE CONTROL – Begin continuous addition application of granular Copper Sulfate Crystals when water is first turned into the system and continue throughout the irrigation season, applying 0.1 to 0.2 lbs Copper Sulfate Crystals per hour per cubic ft per second for 12 hours of each 24 hours. This rate provides 0.112 to 0.224 ppm metallic copper in the treated water. Maximum application rate is 4 ppm Copper Sulfate Crystals (1 ppm metallic copper). Note: 4 ppm Copper Sulfate Crystals = 10.88 lbs of product/acre ft. =1.0 ppm metallic copper in the treated water. FOR LEAFY AND SAGO POND WEED CONTROL – Use the same continuous feeder, applying 0.5 to 0.9 lbs Copper Sulfate Crystals per hour per cubic foot per second for 12 hours of each 24 hours. This provides 0.5 to1.0 ppm metallic copper in the treated water. Maximum application rate is 4 ppm Copper Sulfate Crystals (1 ppm metallic copper). NOTE: For best control of leafy and sago pond weed, it is essential to begin Copper Sulfate Crystals additions when water is first turned into the system or ditch to be treated and to continue throughout the irrigation season. Copper Sulfate Crystals becomes less effective as the alkalinity increases. Its effectiveness is significantly reduced when the bicarbonate alkalinity exceeds 150 ppm. Should Copper Sulfate Crystals fail to control pond weeds satisfactorily, it may be necessary to treat the ditch with either a suitable approved herbicide or use a mechanical means to remove excess growth. In either case, resume Copper Sulfate Crystals addition as soon as possible. Useful formulas for calculating water volume flow rates: Multiply the water volume in cu. ft. times 7.5 to obtain gallons. 1 C.F.S./Hr. = 27,000 Gals. 1 Acre Foot = 326,000 Gals. 1 ppm Copper Sulfate Crystals= 0.25 ppm metallic copper 1 ppm Copper Sulfate Crystals = 2.72 lb of product/acre ft TO CONTROL ALGAE IN IRRIGATION CONVEYANCE SYSTEMS USING THE SLUG APPLICATION METHOD: Make an addition (dump) of Copper Sulfate Crystals into the irrigation ditch or lateral at 0.25 to 2.0 lbs per cubic foot per second of water per treatment. Repeat on 2-week intervals as required. Depending on water hardness, alkalinity and algae concentration, a dump is usually required every 5 to 30 miles. Effectiveness of Copper Sulfate Crystals decreases as the bicarbonate alkalinity increases and is significantly reduced when the alkalinity exceeds approximately 150 ppm as CaCO3. Maximum application rate is 4 ppm Copper Sulfate Crystals (1 ppm metallic copper). APPLICATION METHODS TO CONTROL ALGAE IN IMPOUNDED WATERS, LAKES, PONDS AND RESERVOIRS: There are several methods by which to apply Copper Sulfate Crystals to impounded water. Probably the most satisfactory and simplest method is to dissolve the Copper Sulfate Crystals in water and to spray this water over the body of water from a boat. A small pump mounted in the boat can easily be used for this purpose. Fine crystals may be broadcast directly on the water surface from a properly equipped boat. A specially equipped air blower can be used to discharge fine crystals at a specific rate over the surface of the water. When using this method, the direction of the wind is an important factor. Do not use this method unless completely familiar with this type of application. Where the situation permits, Copper Sulfate Crystals may be applied under the water by dragging burlap bags containing Copper Sulfate Crystals. The crystals are placed in burlap bags and dragged through the water by means of a boat. Begin treatment along the shoreline and proceed outward until one-third to one-half of the total area has been treated. Care should be taken that the course of the boat is such as to cause even distribution of the chemical. In large lakes, it is customary for the boat to travel in parallel lines about 20 to 100 feet apart. Continue dragging the burlap bags over the treated area until the minimum dosage is achieved and all crystals have been dissolved. Large or medium size crystals that dissolve slowly should be used with this method. Copper Sulfate Crystals can be applied to impounded waters by injecting a solution in water via a piping system. Note: Maximum application rate is 4 ppm Copper Sulfate Crystals (1 ppm metallic copper). Minimum retreatment interval is 14 days. EPA sets the maximum application rate at 4 ppm Copper Sulfate Crystals; however, based on the table below, 0.25 to 2 ppm Copper Sulfate Crystals can be used to treat for specific genera of algae. CONTROL OF ALGAE AND BACTERIAL ODOR IN SEWAGE LAGOONS AND PITS (Except California): Application rates may vary depending on amounts of organic matter in effluentstream or retention ponds. Use 2 lbs. of Copper Sulfate Crystals in 60,000 gals (8,000 cu ft) of effluent to yield 1 ppm of dissolved copper. Dosage levels may vary depending upon organic load. Other Organic Sludges: The solution of crystals must be thoroughly mixed with sludge. Dissolve 2 lbs of crystals in 1-2 gals of water and apply to each 60,000 gals of sludge. Maximum application rate is 4 ppm Copper Sulfate Crystals (1 ppm metallic copper). Minimum retreatment interval is 14 days. TO CONTROL ALGAE IN RICE (Domestic and Wild) FIELDS: Application should be made when algae have formed on the soil surface in the flooded field. Applications are most effective at the first sign of algae after the field has been flooded and prior to the algae’s leaving the soil surface and rising to the water surface. Apply to the water surface as either crystals or dissolve in water and make a surface spray. For a 3-inch flood depth, apply Copper Sulfate Crystals at a rate of 2.72 lbs per acre. Likewise, for a 6- inch flood depth, use 5.44 lbs per acre. Adjust the rate according to average water depth, not to exceed the maximum application rate of 4 ppm Copper Sulfate Crystals (1 ppm metallic copper), which is equivalent to 10.88 lbs Copper Sulfate Crystals /acre foot of water. TO CONTROL TADPOLE SHRIMP IN RICE (Domestic and Wild) FIELDS: Tadpole shrimp in rice fields may be effectively controlled by the prompt and proper use of Copper Sulfate Crystals. After the rice field has been flooded, Copper Sulfate Crystals should be uniformly applied at the first sign of infestation. For a 3-inch flood depth, apply 6.8 lbs per acre. For a flood depth of 6 inches, use 13.6 lbs per acre. Adjust the rate according to average water depth, not to exceed the maximum application rate of 10 ppm Copper Sulfate Crystals (2.5 ppm metallic copper), which is equivalent to 27.2 lbs Copper Sulfate Crystals/ acre foot of water. SCHISTOSOME-INFECTED FRESH WATER SNAILS: For recreational lakes, reservoirs, and ponds, 5.44- 13.6 lbs/acre-ft Copper Sulfate Crystals (i.e., 2-5 ppm Copper Sulfate Crystals), is usually sufficient for treatment of Schistosome-infected fresh water snails. Use surface area in acres multiplied by average depth in feet to determine water volume and application rate. Apply only along shoreline swimming areas and/or to infected snail beds on a calm sunny day when water temp is at least 60°F. Not allowing swimming for at least 12 hrs following treatment is recommended. A second application may be made if necessary, 10 to 14 days later. DO NOT make more than two applications per calendar year. Apply by broadcast application using boat, aircraft, or hand equipped with power or hand seeder or underwater dispenser. Do not exceed 1 ppm copper (4 ppm Copper Sulfate Crystals) in potable water systems. This labeling must be in the possession of the user at the time of pesticide application. Maximum application rate is 6 ppm Copper Sulfate Crystals (1.5 ppm metallic copper). Note: 6 ppm Copper Sulfate Crystals = 16.32 lbs of product /acre ft.. NOTE : In the State of New York – For use in recreational lakes, reservoirs and ponds ONLY in areas where infected snail beds have been identified. Apply medium grade crystals by hand broadcast method of application only. This product is a restricted use pesticide in New York State. Pesticide applicator certification or a special use permit is required for sale, possession, or use. Each individual treatment must be approved by the Department of Environmental Conservation. Therefore, you must contact the Pesticide Control Specialist at the appropriate regional office of the Department 30 days in advance of the proposed treatment. PLANT DISEASE TREATMENT Maximum Application Rates, Application Interval, and Season Maximum Application Rates are listed below. Weight of Copper Sulfate Crystals in lbs is followed by weight expressed as metallic copper, e.g., 1 lb Copper Sulfate Crystals equals 0.25 lb metallic copper. Apple: Fireblight – Mix 5 lbs of Copper Sulfate Crystals in 100 gals of water and spray uniformly. Apply in dormant season up to silver tip stage. After silver tip, severe burn will occur on any exposed green tissue. Do not mix lime to make a Bordeaux spray for this treatment Do not exceed 64 lbs (16 lbs metallic copper) per acre per year. Dormant use: Make one application at no more than 32 lbs (8 lbs metallic copper) per acre. Silver tip use: Make one application at no more than 24 lbs (6 lbs metallic copper) per acre. Grape (Dormant): Powdery Mildew – Apply in spring before bud-swell and before any green tissue is present. Use 4 lbs of Copper Sulfate Crystals per 100 gals of water. Apply in a high volume spray of 300 gals water per acre. Direct spray to thoroughly wet the dormant vine, especially the bark of the trunk, head or cordons. Do not apply more than 12.0 lbs (3.0 lbs metallic copper) per acre per application. Minimum retreatment interval is 3 days. Do not exceed 80.0 lbs (20.0 lbs metallic copper) per acre per year. Potatoes: To enhance vine-kill and suppress late blight- apply 10 lbs per acre in 10 to 100 gals of water (ground equipment) or in 5 to 10 gals (aerial equipment) with Diquat at vine-kill to enhance vine desiccation and suppress late blight. Additional applications can be made with Diquat if needed to within 7 days of harvest. Copper Sulfate Crystals may be applied alone until harvest to suppress late blight. NOTE: This product can be mixed with Diquat for use on potatoes in accordance with the most restrictive of label limitations and precautions. No label dosage rates should be exceeded. Do not apply more than 10 lbs (2.5 lbs metallic copper) per acre per application. Minimum retreatment interval is 5 days. Do not exceed 100 lbs. (25 lbs metallic copper) per acre per year. BORDEAUX SPRAY MIXTURE Understanding Bordeaux Formulations: If the Bordeaux mixture instructions read 10-10-100, the first figure indicates the number of lbs of Copper Sulfate Crystals. The second figure is the lbs of hydrated spray lime and the third figure is the gallons of water to be used. Use as a full coverage spray. In the instruction below, weight of copper sulfate in lbs is followed by weight expressed as metallic copper, e.g., 1 lb Copper Sulfate Crystals equals 0.25 lb metallic copper. Preparation of Bordeaux Spray Mixture: Fill a tank 1/4 full with water. Then, with agitator running, mix in Copper Sulfate Crystals through a copper, bronze, stainless steel or plastic screen. Add water so the tank is 3/4 full. Mix in the hydrated spray lime through the screen and finish filling the tank with water. Almond, Apricot, Peach, Nectarine: Shot Hole Fungus – Prepare a 10-10-100 Bordeaux and apply as a dormant spray in late fall or early spring. Do not apply more than 32 lbs copper sulfate (8 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 72 lbs (18 lbs metallic copper) per acre per year. Almond, Apricot, Cherry, Peach, Nectarine, Plum, Prune: Brown Rot Blossom Blight – Prepare a 10-10-100 Bordeaux and apply when buds begin to swell (late dormant). Do not apply more than 32 lbs (8 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 72 lbs (18 lbs metallic copper) per acre per year. Blueberries: Bacterial Canker (Not for use in California) – Prepare and apply an 8-8-100 Bordeaux mixture in the fall before heavy rains begin and again 4 weeks later. Do not apply more than 8.4 lbs (2.1 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 33.6 lbs (8.4 lbs metallic copper) per acre per year. Bulbs (Easter Lily): Botrytis Blight – Prepare a 10-10-100 Bordeaux mixture and apply as a foliar spray to 1 acre. Apply for thorough coverage beginning at the first sign of disease and repeat as needed to control disease at 7 to 10 day intervals. Use the shorter intervals during periods of frequent rains or when severe disease conditions persist. Avoid spray just before flower cutting season if residues are a problem. Do not apply more than 10 lbs (2.5 lbs metallic copper) per acre per application. Do not exceed 300 lbs (75 lbs metallic copper) per acre per year. Do not apply any additional copper pesticide to this land for 36 months. Bulbs (all other ornamentals, Tulip, Gladiolus): Botrytis Blight – Prepare a 8-8-80 Bordeaux mixture and apply as a foliar spray to 1 acre. Apply for thorough coverage beginning at the first sign of disease and repeat as needed to control disease at 7 to 10 day intervals. Use the shorter intervals during periods of frequent rains or when severe disease conditions persist. Avoid spray just before flower cutting season if residues are a problem. Do not apply more than 8 lbs (2 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 80 lbs (20 lbs metallic copper) per acre per year. Caneberries: For Leaf and Cane Spot and Pseudomonas Blight- prepare and apply an 8-8-100 Bordeaux mixture in the fall before heavy rains begin and again 4 weeks later. Do not apply more than 8 lbs (2.0 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 40 lbs (10 lbs metallic copper) per acre per year. Cherry (Sweet): Dead Bud, Bacterial Canker (Pseudomonas Syringae) – Prepare a 12-12-100 Bordeaux. Apply at leaf fall and again in late winter before buds begin to swell. In wet cool Northwest U.S. winters, a third spray may be needed between above sprays. Do not apply more than 32 lbs (8 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 72 lbs (18 lbs metallic copper) per acre per year. Cherry (Sour): Leaf Spot – Prepare a 10-10-100 Bordeaux. Apply as a full coverage spray after petal fall or as recommended by the State Extension Service. Do not apply more than 60 gallons or 6 lbs (1.5 lbs metallic copper) per acre per application. Minimum retreatment interval is 5 days. Do not exceed 72 lbs (18 lbs metallic copper) per acre per year. (NOTE: Adding foliar nutritionals to spray mixtures containing Copper Sulfate Crystals or other products and applying to citrus during the post-bloom period when young fruit is present may result in spray burn.) Citrus: Bacterial Blast – Prepare a 10-10-100 Bordeaux spray and apply a spray in late October to early November or before fall rains begin. Make a complete coverage spray using 10 to 25 gals per mature tree. Do not apply more than 12.6 lbs (3.15 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 50.4 lbs (12.6 lbs metallic copper) per acre per year. Citrus: Lemon, Orange, Grapefruit: Phytophthora Brown Rot - Prepare a 3-4.5-100 Bordeaux mixture only where there is no history of copper injury or use a 3-2-6-100 (Zinc Sulfate-Copper Sulfate Crystals-Hydrated Lime-Gallons of water) Bordeaux mixture. Spray 6 gals on skirt of tree 3 to 4 ft high and 2 to 4 gals on trunk and ground under tree. If P. hibernalis is present, use 10 to 25 gals to completely cover each tree. Apply in November or December just before or after first rain. In severe brown rot season, apply second application in January or February. Do not apply more than 12.6 lbs Copper Sulfate Crystals (3.15 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 50.4 lbs (12.6 lbs metallic copper) per acre per year. Citrus: Lemon, Orange, Grapefruit: Septoria Fruit, Leaf Spot; Central California – Brown Rot, Zinc, Copper Deficiencies – Prepare a 3-2-6-100 Bordeaux mixture (Zinc Sulfate-Copper Sulfate Crystals-Hydrated Lime-Gallons of water) and use 10 to 25 gals to completely cover each tree. Apply in October, November or December before or just after first rain. Do not apply more than 12.6 lbs (3.15 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 50.4 lbs (12.6 lbs metallic copper) per acre per year. Grape: Downy Mildew – Prepare and apply a 2-6-100 Bordeaux spray beginning when downy mildew is detected. Repeat as needed to achieve and maintain control. This mixture and its use will exhibit some phytotoxicity on most varieties. . Do not apply more than 12.0 lbs (3.0 lbs metallic copper) per acre per application. Minimum retreatment interval is 3 days. Do not exceed 80.0 lbs (20.0 lbs metallic copper) per acre per year. Olive: Olive Leaf Spot (Peacock spot), Olive Knot – Prepare a 10-10-100 Bordeaux mixture. Apply in autumn before heavy winter rains to prevent peacock spot. In wet winters, a repeat spray may be needed in mid-winter. In areas with less than 10 inches of annual rainfall, a 5-5-100 Bordeaux may be used. To help protect against olive knot, apply a 10-10-100 Bordeaux before heavy rains and again in the spring. Injury may occur in areas of less than 10 inches of rainfall. Do not apply more than 24 lbs (6.0 lbs metallic copper) per acre per application. Minimum retreatment interval is 30 days. Do not exceed 72 lbs (18 lbs metallic copper) per acre per year. Peach: Leaf Curl – Prepare a 10-10-100 Bordeaux and apply at leaf fall or as a dormant spray in late fall or early spring before buds begin to swell. Do not apply more than 32 lbs (8 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 72 lbs (18 lbs metallic copper) per acre per year. Walnuts: Walnut Blight – Prepare a 15-10-100 Bordeaux mixture and apply in early pre-bloom before catkin blooms are showing (10-20% pistillate) before or after rain. Use only if Bordeaux mixture has been shown to be non-phytotoxic in your area. If desired, add one-half gal summer oil emulsion per 100 gals of water. NOTE: Addition of summer oil emulsion to prebloom and early bloom sprays may result in plant injury. Do not apply more than 16 lbs (4.0 lbs metallic copper) per acre per application. Minimum retreatment interval is 7 days. Do not exceed 128 lbs (32 lbs metallic copper) per acre per year.
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