All You Need to Know to Choose a Hydroponic Design by Amy Storey | Sep 27, 2016 | Technology, Materials & Equipment | 10 comments This content is for Monthly Unlimited members only.Log In Register Related posts:Pros and Cons of Perlite in Hydroponics: Is it For You?How to Use a Multi-reading Handheld Meter in HydroponicsShould You Use Peat Moss as a Growing Medium?How to Increase Produce Value With a DIY Walk-In Cooler