A good hydroponic medium should support the plants in the system, absorb and retain moisture, not break down, be porous to allow air circulation and proper drainage, and protect plant roots from temperature extremes.
Our Hydrocks(TM) is the perfect Hydroponics media. It accomplishes all of the above.
Its physical size is approx 3/4".
Available in Bulk and 1-Cu.Yd. Super Sacks.
Please Call for current pricing and delivery.
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