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RedRock 6 inch Rockwool Grow Block for Hydroponics For Sale

RedRock 6 inch Rockwool Grow Block for Hydroponics

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RedRock 6 inch Rockwool Grow Block for Hydroponics:

Free listing template designed by dewiso.comRedRock 6"Grow BlockRedRock BlocksCommercial grade PRO Stone wool grow blocks sourced and manufactured in North AmericaRedRock Blocks stone wool blocks, slabs, and plugs offer cultivators, propagators, and commercial growers the opportunity to grow more while using less: less water, less plant nutrients, and less growing space.
  • Rockwool grow blocks are made in the USA
  • RedRock rockwool grow blocks are priced for commercial agriculture production
  • Wetting agent ensures nutrients are immediately plant available and high fiber density makes better use of water and fertilizer while allowing dry back
  • Each block measures 6-Inch x 6-Inch x 5.3-Inch with 42/40 Hole
  • Each other comes with a Twin Canaries Chart
The RedRock DifferencePredictable Water MobilityRedRock rockwool ensures uniform movement of water and nutrients throughout the plug, block, or slab. Our products will wet-up and dry back with predictability so growers can steer crops, further than ever before. New tooling and technology blend horizontal and vertical fibers for the most homogenous and predictable water transport to date.
  • Eliminates channeling and dry zones
  • Predictable water movement and nutrient availability
  • Water moves horizontally then vertically for full saturation
  • Overall unreliable water dispersion in the root zone leading to plant stress and overall quality loss



RedRock rockwool propagation cubes are an irreplaceable medium for any growers' setup.


The stonewool fiber structure ensures excellent water and plant nutrient retention.

Flowering and Ripening

Stonewool grow media accommodates root growth which will lead to a larger plant.


Propagation & Nurseries

Rockwool cubes' beneficial structure and water retention properties make them exceptionally beneficial when starting seeds and root propagation.


Among all other properties, stonewool creates a stable growth environment for crops roots and it's high fiber density makes better use of water and fertilizers while allowing dry back.


The stonewool grow blocks and their properties make them an indispensable product and an ideal medium for any hydroponics growing system.

Co-Extruded UV-Protected WrapperThe little things make all the difference. RedRock blocks are tightly wrapped in co-extruded film that offers white exterior and black-out interior. WHITE ensures a cool root zone, BLACK keeps light and algae off rockwool, even around the outer perimeter. This recipe ensures better water management and less evaporation.
  • Co-extruded UV-protected film
  • Increasein root development


  • Increase algae growth around the outer perimeter
  • Reduced root development
  • Less uniform water movement
Contact us:

We can be contacted at any time through messages if you have any questions, comments, or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We would like to be sure you are completely satisfied with your purchase.

We accept card payments and/or PayPal through .

Your order will be processed and shipped within the next 12 hours of purchasing. Most packages are delivered in 2-3 business days depending on your location.

Please make sure to choose the correct address when you make the payment. If you have any questions, please contact us before paying and we will be happy to help.

30-Day Free Return:
We want you to be 100% satisfied with your purchase from The Hydroponic City. If for any reason you are not satisfied, we would be happy to issue a full refund or a replacement.

Returns must be mailed within 30 days from receipt of the product. The returned product must be in the original packing, unused, and in a salable condition. Once we have received your product, we will process the refund/replacement.

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