To properly aerate root systems using the Kratky system, there must be a large enough space between the root system and the top of the water. This method is identical to a classic DWC system minus one aspect the Kratky method doesn’t utilize an air pump. Kratky MethodĪ more primitive take on the traditional DWC technique is the Kratky method. This type of DWC requires a bit more time to set up, extra air stones, and of course, a bit more cash as well. Each container is connected to the next one in the series via a hose.īecause the traditional DWC has its own downsides and cannot scale big, the recirculating deep water culture was created. RDWC systems typically consist of several bucket-like reservoirs designed for growing a single plant. Įventually, the water returns to the main reservoir and begins flowing through the entire system again. Instead, water and nutrients are recirculated from each reservoir to the next. It’s not considered an ebb-and-flow system, however, because the water is never drained completely. The system works somewhat like a hybrid between a classic DWC system and the flood-and-drain hydroponic technique. The recirculating deep water culture, or RDWC for short, is a beefed-up version of the traditional DWC method. The section above explains how the traditional DWC systems work in detail. Traditional DWC systems work both indoors and outdoors.Ĭlassic DWCs are among the most basic forms of hydroponics and take little time to master. The traditional DWC system, or classic DWC setup, consists of a tank, lid, net pots, air pump, and air stone. A few of the most commonly known DWC methods include: Traditional DWC Several creative forms of DWC systems have evolved over the years. In the next section, we discuss the main varieties of DWC systems.ĭeep Water Culture Diagram Types of Deep Water Culture Systems In addition, ventilation is often included outside of the reservoir to help cool and stimulate the plants.Īs there are several versions of DWC hydroponics, the description above is a generalization. Light is provided by grow lights indoors or by the sun outside. The plants, firmly anchored in their pots, stretch their roots down into the water and absorb everything they need to live and thrive, minus light. Liquid nutrients are introduced to the system manually, and adjustments are made to pH and EC (electrical conductivity) levels as needed as well.Īir is produced by a submerged bubbler, air stone, or similar component. Plants are positioned into the netted pots, and their roots soak in the water held by the reservoir. A lid is attached to the top of the reservoir, with one or more grow sites for netted pots. How Deep Water Culture WorksĭWC works in a fairly straightforward manner.Ī reservoir is filled with water, nutrients, and an air supply. The DWC method is one of the most successful hydroponic techniques around.įurthermore, it’s a great way to get into hydroponics or to learn about hydroponic cultivation in general.īelow, we take a closer look at all of the deep water culture basics you need to know before getting started. Read on to discover the simplistic beauty of deep water culture and to find out if it’s the right method for you. In this guide, we discuss everything you need to know about DWC hydroponics. Suspended above the reservoir, the roots dangle down and absorb water, nutrients, and oxygen as needed. Plants are anchored to the system in netted pots, with or without an additional growing medium. How does deep water culture work? DWC is a hydroponic technique, or method, that revolves around suspending plants above a reservoir. With DWC, you are up and going with minimal expenses and the smallest learning curve possible. Deep water culture, also known as DWC for short, is one of the most basic forms of hydroponics.įor beginners, the DWC method is a sure-fire way to get started with hydroponics.
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