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Hydroponic Growing Mediums

 Hydro and Aeroponic Equipment & Supplies

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Hydroponic gardening is soil-less gardening .. No soil!  However the plants need to be supported or held up .  This is done with with Hydroponic Growing Mediums which is a soil-less media... inert, non-organic materials. Hydroponic Growing Mediums act as an anchor to the plant to prevent it from falling over as it grows, provides good drainage of nutrient solution and allows the flow of oxygen to the plant roots.


Many things can be used as a Hydroponic growing medium if it meet the following basic requirements:
  • It should be reasonably dense to provide enough weight and mass to anchor a plant, but not so dense that it will impede the flow of oxygen and nutrient solution.
  • It must be clean and/or sterile to impede the spread of disease, pest and parasitic organisms.
  • Each individual growing medium 'nugget' must be small enough to provide a larger amount of surface area to remain damp with nutrient solution between flooding allowing the plant to feed.
  • A Hydroponic Growing Medium must have a neutral PH .
     

Leca clay pellets - Marketed under several trade names including Hydroton  LECA or Light Expanded Clay Aggregate can be used as a Hydroponic Growing Medium in all hydroponic systems including Nutrient Film Technique, Aeroponic, Ebb and flow, and Drip/ Trickle feed systems. it is perfect for growing plants, especially indoor plants in hydroponics, and provides an ideal balance of moisture, food and air to your plants. Root rot is eliminated by the space between the pebbles allowing all-important oxygen to get to the roots.


Hygromite - a silica based mineral rock that was kiln dried into small stone size pebbles. It is 100% organic and relatively expensive but, HOWEVER, it must be rinsed to clean the constant dust it emits. Which can also interfere with pH.


Rockwool - A popular medium made from melting igneous rock and dripping it onto a spinning disk to dry similar to making cotton candy. It's readily available but somewhat dirty and it produces a dust when first setting it up that cannot be something you want to breath. It also comes in grow cube form.


Grow Cubes - made from compressed fibers of cocoa, wood, peat and or rockwool just to name a few. They have excellent water retention and are used for propagating seedlings from seeds. The seedling and the entire cube can be easily dropped into a hydroponics system as is when ready and it makes an excellent Hydroponic Growing Medium.

 

 

  

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