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TREEIB® 1500 is a large, heavy-duty watering bag for big trees with a maximum volume of 1500 liters / 396 US gal of water.

It is designed especially for use on grass and gravel surfaces. Quarter circle shape. Usable in steep slopes.

Custom print available; purchase as a separate item for each piece you buy and want to have custom print. 

Limited edition: BROWN 

TREEIB 1500 / 396 gallons

$1,220.00 Regular Price
$1,098.00Sale Price
  • TREEIB® 1500 is a quarter circle shape. Its 1,1 m / 3,6 ft width and over 6 m length make it ideal for irrigation along the canopy drip line and beyond. If so desired, one bag can be used, then relocated after emptying, or a combination of two or more.


    When four TREEIB® 1500’s are put together, a 7 m / 23 ft diameter circle is created.

    If the canopy drip line is further than 3,5 meters from the trunk center, bags can be moved further from the tree trunk to follow the canopy drip line.

    It does not matter if there are wide spaces in between the bags; this will not affect the effectiveness of the watering.

    Where the tree needs more than 6000 liters of water, more than four bags can be used to evenly distribute it over the area where we can assume there is a high percentage of tree feeder roots.


    A 40cm-tall filling cylinder, joined to the bag opening (15 cm / 5,9 inch in diameter so that it can be filled with a fire hose), is equipped with a side squeeze plastic clip with D rings. It helps to hold the water-source hose in place, and the cylinder makes it possible to fill the bag to maximum capacity, even on uneven surfaces or slopes.

    Water can be filled up to 20 cm below the top of the cylinder. When the bag is full, the cylinder is rolled up into position, the clip is fastened shut, and the D rings can be locked by a locking mechanism, e.g. a padlock with a shock alarm.


    The bag can be filled from a hydrant, a professional water tanker, a fire truck, or a garden hose. 

    ​The time it takes to fill depends on the output of the water source. While a professional water tanker can fill up TREEIB® 1500 in five minutes, filling it with a 1/2” garden hose takes about an hour. The clip on the filling cylinder is handy for this case - Insert the garden hose as deeply as possible into the bag, fold down the filling cylinder once, and fasten the clip. The hose is thus fixed into position, ensuring it can be left well alone until the bag is filled.

    ​Even if you use IBC containers to transport the water, the bag can be filled with less than 1500 liters of water anyway, and it will still work perfectly.  Just be aware that less water equates to a shorter water-release time.


    Water seeps out via 27 openings, distributed evenly over the bottom area of the bag.

    The time of the water release depends on the surface under the bag. The standard time for water release on turf is 8-12 hours.

    ​The water release time can be shorter in places where the surface is rough or uneven (like crushed stone of a large diameter). The release time would typically be longer in areas where the character is smoother, such as sawn stone paving with narrow joints.


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