Gardening Indoors with Rockwool contains the following: Step-by-step guide to achieving 20-50% higher yields with rockwool. Step-by-step instructions to make your own rockwool hydroponics garden. How to make plants grow faster and more lushly in rockwool. How to grow the absolute biggest flowers in rockwool. How to monitor pH and EC of the rockwool nutrient solution for incredible results. Specific growing tips from professional growers. How to choose the perfect rockwool garden that fits your unique needs. Examples of the latest tools to use with rockwool.