CWI Classic™
Container Irrigation System
CWI Classic™ is Planter Technology's container irrigation solution designed to be dropped into most standard vase-shaped and tapered decorative containers, for exterior and interior pots and planters. The CWI Classic uses Planter Technology's proven vacuum-sensor technology to precisely monitor the soil moisture level, irrigating the plant only when the soil starts to dry. It allows for extended hand-watering intervals, typically 2-3 weeks for exterior plants, depending on the plant and the surrounding conditions. The CWI Classic integrates an overflow drainage adapter, which allows rainwater to overflow but prevents the drain-off of irrigation water during normal use.
- Keeps plants healthy, strong and stress free by balancing moisture and oxygen levels in the soil at all times.
- Integrated exterior drainage adapter allows excess rainfall to overflow but prevents drainage of irrigation water during normal outdoor use.
- Will not leak or sweat, prevents staining of terra-cotta containers
- Perfect solution for applications where drip irrigation doesn't work.
- Large fill hole accommodates a garden hose for easy filling.
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CWI Classic Training & Technical Information: |
Details
How The CWI Classic™ Works
The CWI reservoir is filled by hand every 2-3 weeks. The fill hole is closed with a stopper, creating a vacuum-tight closed reservoir.
When the soil is dry (indicating the plant needs water), the moisture sensor allows air to pass through the tube into the reservoir, allowing water to flow into the container from the bottom. The water wicks up through the soil, irrigating the plant.
As the soil becomes moist, the sensor (planted in the soil 1/3 to 1/2-way down the container) absorbs water. When wet, it acts like a valve, blocking the flow of air through the tube. A vacuum is created above the reservoir, preventing further watering until the soil begins to dry again.
The overflow drainage adapter allows excess water that builds up (typically rainwater) to escape without disrupting the system. Underplantings, after a short acclimation period, typically may be watered on the same cycle as the primary plant.
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Model Specifications
| Model | Outside Dia. Top/Bottom | Inside Dia. Top/Bottom | Overall Ht. | Inside Ht. | Water Capacity | Container Size |
| CWC-R1100 | 12.5" square /10.5" | 11"sq./8" | 13.25" | 12" | 2 Gallons | 16" Square |
| CWC-R1500 | 17" square/10" | 16"sq./8" | 17" | 15" | 3 Gallons | 21" Square |
| CWC-R1850 | 20.5" square /15.5" | 19"sq./13" | 19" | 17" | 5 Gallons | 24" Square |
| CWC-1300 | 14.5"/8.0" | 13"/6.75" | 13.5" | 12" | 1.7 Gallons | 18" O. Dia. |
| CWC-1500 | 16.5"/10.5" | 15"/8.5" | 15" | 13.5" | 2.2 Gallons | 20", 22" O. Dia. |
| CWC-1800 | 20.75"/13" | 18"/11" | 19" | 17" | 4.0 Gallons | 24" O. Dia. |
| CWC-2100 | 23.25"/14.5" | 20.5"/12" | 21.5" | 19" | 6.5 Gallons | 26", 28" O. Dia. |
| CWC-2400 | 26"/15" | 24"/13" | 21" | 18.75" | 7.0 Gallons | 28", 30" O. Dia. |
| CWC-2500 | 27.25"/17.5" | 24.5"/15" | 24" | 21.5" | 8.0 Gallons | 30", 33" O. Dia. |
| CWC-2800 | 31"/19" | 28.5"/17" | 26" | 24" | 9 Gallons | 36" O. Dia. |
| CWC-3300 | 35"/18.5" | 32.5"/16" | 27" | 24" | 12 Gallons | 40", 44" O. Dia. |
For cylindrical and slightly tapered planters, see CWI™ container irrigation.
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CWI Classic™ Accessories
BioGuard Root Control Squares – A simple way of preventing roots from growing into the water reservoir, extending plant life.
CWI Classic Field Manuals – In English
or Español
CWI Classic Spare Parts – Spare stoppers, sensors and grommets for use with all CWI Classic sizes.
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