Slow release irrigation bags are ideal for supporting deep root growth. It is made of durable PE, it has a capacity of 20 gallons, it has a removal time of about 5-9 hours. Practical Zipper Design: It is placed around the tree body like a jacket, zipper and filled with water. Water is filled with hose thicknesses up to 3 inches. 1 bag for 1-3 diameter bodies. 2 bags for 4-8 'diameter bodies are zipper. Tree irrigation calendar: There is no standard irrigation amount for all trees. A commonly used formula recommends 10 gallon water per week for each 1 -inch tree diameter. Most October requires irrigation program 1-2 times a week or when needed. Usage Tips: Fill the tree irrigation bag up to a capacity of only 1/4, then slowly lift the two black straps above the tree irrigation bag to ensure that the base is completely expanded. 1 Year Warranty: Customer Service with . Please us from the messages, our support team is waiting for you. More time savings: You can reduce your regular irrigation frequency by 50 %and save time by reducing irrigation cycle up to 80 %. A total of 20 gallons of water holds water, it takes about 8 hours to evacuate the tree bag. Most October requires irrigation program 1-2 times a week, only every 5 to 7 days should be filling, leave when you travel on holidays and everything will be in its way.