Hydroton clay tablets. There are advantages, there is a very good ventilation. If the price is closer to production. Does not react with nutrient solution? Not as the source of disease and insects. As a result, plants are growing well. And have a long service life for many years. (39/2547 (2004), success) Thus there is a tendency to adopt a substitute for perlite and vermiculite.To reduce production costs and reduce waste.
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