How To Install a Reverse Osmosis Water Purification System

A quick guide to give you the confidence to install your own reverse osmosis water purifier. Hard water is not good for hydroponics. You should start with the purest water you can. Here we take you step by step through the installation of an Ideal H2O 200 GPD reverse osmosis (RO) water purification system—but most brands work in more or less the same way.