A wide variety of materials can be used as hydroponic aggregate. Options include sand, gravel, vermiculite, wood shavings, peat moss, perlite and a fibrous stone material known as rockwool. The key is that it be inert, providing no nutrients to the plant.
Hydroponics – at Home and for Beginners: I am pushing this project early.. Basically, growing plants without the use of a traditional dirt medium and using a. . I plan on going to my local pool store that does free chemical testing for pH levels.
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Topics include, types of hydroponic systems, nutrient, pH, growing media.. These nutrients can be purchased at a hydroponic supply store. Most are highly .