Balls Expanded Clay 8mm To 16mm 50 Litre Bag

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. 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 30 mm round 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
• Porosity 70 - 80 %
• 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 odorless and plant friendly
• Lighter than lava, gravel or similar materials
• Does not rot
• Many Applications

*Bulky Item - Additional shipping may be required for this product post-purchase