+ 27 21 551 2237/8 sales@aerothane.co.za


The top importer of Rockwool products nationwide

Aerothane Applications has noticed the increase in a call for hydroponic Rockwool, and being the biggest importer of rockwool material in Southern Africa, we have been able to tap into our resources and network, to be able to bring the best hydroponic rockwool growing medium to you, at a price that is sure to make you smile.

Due to our expertise, we can offer the standard Rock-Blok products

  • seedling starter cubes
  • secondary grow stage blocks
  • large grow blocks


in addition to this, we can offer you, the home enthusiast or the farmer, specific sizes to your own individual needs. This is not possible with any of the other suppliers of hydroponic mineral wool.

Click on any one of the pictures below for more detailed information and prices.

rockwool hydroponics

Aero-Grow Rock-Blok starter plugs

These starter plugs are ideal for seeds, and cuttings.

Price is R0.70 per plug (40mm x 40mm x 40mm)

rockwool hydroponics

Aero-Grow Rock-Blok grow block

These grow blocks are ideal for the second stage of growth once your routes are healthy.

Price R3.00 each (100mm x 100mm x 70mm)


rockwool hydroponics

Aero-Grow Rock-Blok slab

This is for the full hearted grower, and can also come in custom sizes

Price is R70 excl vat (1100mm x  100mm x 100mm)

Please call us should you have different size needs for a personalised quote.


A Leading Manufacturer of Polyurethane Foams, Chemicals & Thermal Insulation


Email: sales@aerothane.co.za

Tel: + 27 21 551 2237/8

Fax: + 27 21 551 2109

Postal Address: PO BOX 36703 | Montague Gardens | 7441