CWI Classic™ (CWC) is the container irrigation insert designed to be dropped into most standard vase-shaped and tapered decorative containers, for exterior and interior pots and planters. The CWC uses Planter Technology's water-smart vacuum-sensor technology to precisely monitor the soil moisture level, irrigating the plant only when the soil starts to dry. Little or no water is allowed to evaporate off the surface, and only excess rainwater drains through the drainage adapter. It allows for extended manual filling intervals, typically four times longer than hand-watering intervals (i.e., a pot waterd by hand every 3 days might require a reservoir refill every 12 days), depending on the plant and the surrounding conditions. Like all Planter Technology inserts, it is durable and can be easily removed if it needs to be worked on "off-site". While lightweight, they have been used in every application you can put a pot or plant into.

• 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 contain.
• Large fill hole accommodates a garden hose for easy filling.

See a detailed animation of the Manual Fill System

See a detailed animation of the Manual Fill System

CWC-2800 Section and Plan detail

 

The CWC 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. Use a larger underplanting to allow it to grow into the moisture zone faster.

Model	Part Shape	Top/Bottom Dia x Ht.	To Fit Pot	WaterCap
CWC-R1100	Tapered Square	12.”sq/10.5” x 13.25”h	Approx. 16” square	2 gal
CWC-R1500	Tapered Square	17”sq./10” x 17”h	Approx. 21” square	3 gal
CWC-R1850	Tapered Square	20.5”sq/15.5” x 19”h	Approx. 24” square	5 gal
CWC-1300	Tapered Round	14.5”/8.0” x 13.5”h	18” pots	1.2 gal
CWC-1500	Tapered Round	16.5”/10.5” x 15”h	20” and 22” pots	2.25 gal
CWC-1600	Tapered Round	18"/11.5" x 17"	22” and 24” pots	3.2 gal
CWC-1800	Tapered Round	20.8”/13” x 19”h	24” and 26” pots	4.0 gal
CWC-2100	Tapered Round	23.3”/14.5” x 21.5h	26” and 28” pots	6.0 gal
CWC-2400	Tapered Round	26”/15” x 21”h	28” and 30” pots	6.5 gal
CWC-2500	Tapered Round	27.3”/17.5” x 25”h	28” and 30” pots	7.5 gal
CWC-2800	Tapered Round	31”/19” x 26”h	33” and 36” pots	8 gal
CWC-3300	Tapered Round	35”/23” x 27”	40” pots	12 gal

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