Gardening Indoors with Rockwool

Gardening Indoors with Rockwool gives all new information in easy-to-understand format. It is a step-by-step guide to achieving 20 to 50% higher yields with rockwool; how to make your own rockwool hydroponic garden; how to make plants grow faster and more lushly; how to grow the absolute biggest flowers and how to monitor pH and EC of the rockwool nutrients.