But the benefits are numerous, making it the most suitable for the first-time hydroponic growing experience. Rockwool medium is no less demanding than the others, but it is 100% organic-free.

More simpler kids, such as the Deep Water Culture Hydroponic Bucket is easy to use and includes water level indicators, rockwool starter plugs and an air pump. ... Choose A Growing Medium .

Get started with hydroponic lettuce by germinating your seeds in a growing medium, such as rockwool, lightweight clay aggregate, coconut fiber, or perlite. Growing From Seed.

A growing medium: Clay pebbles are an ideal medium to support the growing root system. These stabilize the plants in the jar and aerate the roots. Other options include rockwool, perlite, and ...

Get started with hydroponic lettuce by germinating your seeds in a growing medium, such as rockwool, lightweight clay aggregate, coconut fiber, or perlite. Growing From Seed .