All Expanded Clay is not the same! BALLS are made with only the highest quality clay, producing a media that is uniform, stable and low in inherent E.C, meaning you get the best outcomes from your plants. Available in various sizes including new JUMBO, BALLS are the next generation in the media you have come to know and love. If you want to grow the biggest and the best, then you gotta have BALLS!Special kiln-fired Clay Pebble Grow Rocks, lightweight aggregate that is super-heated and formed into pebbles 16 plus mm in size.The ceramic shell and inner pore structure retains moisture and releases it back to your plant’s roots as needed. Grow rocks will not compact, ensuring excellent aeration for the life of your plant. It is reusable and lasts indefinitely, making it a great value. Grow rocks are excellent in hydroponic systems.
Additional Qualities:Superior water-storing properties Pure, mineral, without fibers or solvents Coarse-pored and aerated expanded clay Non-slip, stable in structure and non-compacting Drainage, filter and vegetation layer all in one Offers excellent evaporation protection as a top layer Can be mixed with all known growing mediums Can be used with all current hydroponic systems Absolutely odourless and plant friendly Lighter than lava, gravel or similar materials Does not rot Many Applications.
Porosity 70 - 80 %
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