Host Dr. Russell Sharp explores why some hydroponic systems use large grow media slabs (like rockwool) while others rely on bare-root NFT with small plugs, explaining the advantages and drawbacks for crops such as tomatoes, cucumbers, lettuce and herbs.

The episode also includes a special offer: UK-based professional growers can request free samples of selected Eutrema biostimulants and biopesticides (pay £4.95 postage) via this link:

https://eutrema.co.uk/shop/pesticides-organic/free-samples-for-professional-users-hidden-page/