Can I use sawdust?

by Leny

Thank you for the knowledge that you send to me, i would like to start simple hydroponic. Can I ask to you if the saw dust can be used as growing media?
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Hi Leny,

Sawdust does not make a good growing media because it is not inert. In other words, as it decomposes, it adds to and changes the composition of the nutrient solution, making it very hard to control the quality of the nutrients. One of the basic principles behind hydroponics is that you use totally inert growing media to prevent this.

Hope this helps!
Stella.
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