Category Archives: RO Units

Reverse Osmosis – RO Filter Guide

The following Reverse Osmosis RO guide will cover everything needed to purchase, setup, troubleshoot, and implement RO in your aquascaping setup or saltwater reef aquarium. Why do you need an RO filter? Most natural tropical waters have a water hardness of GH 4-5. US water hardness differs from county to county in each state, but […]