About RO-Guide.com

RO-Guide.com is an independent authority website written, published and edited by a team of water industry, digital media and product review experts.
Our Mission is to provide you with the absolute best how-to advice, in-depth buying guides and honest product reviews related to buying, owning and maintaining a reverse osmosis water filter system – including:
- independent reviews and comparisons of the best RO systems and accessories sold today
- step-by-step guides on how to properly test, maintain and clean your RO equipment
- how to diagnose and solve common issues with your drinking water and RO system,
- where to find more experienced help when you need it.
We hope you’ll take advantage of Reverse Osmosis Guide to shop smarter, save money and keep family healthy with a minimum of fuss and frustration.
If you have a question, please drop a comment on a page or send us a message through our Contact page.
Our Team
Our promise to you
We always do exhaustive research and we always fact check our work.
We only publish independent, honest opinions - and we never let a manufacturer's or retailer's opinion overrule ours.



Some of our recent work

Best Plastic-Free Water Filters: Top Picks, Reviews & Buying Guide
Shopping for a Plastic-Free Water Filter? You’re in the right place! Plastic pollution is a gravely concerning matter as it not only negatively affects the

Best Filters to Remove Chromium 6 from Water: Top Picks, Reviews & Guide
Shopping for a filter to remove chromium 6 from your water? You’ve come to the right place. Chromium 6 is a highly hazardous carcinogen. It

Best Filters for Iron Removal from well water: Top Picks, Reviews & Guide
Shopping for a water filter to remove iron from your well water? We can help you choose the right one. A high concentration of iron

Best Family Survival Water Filter: Top Picks, Reviews & Buying Guide
Shopping for a Water Filter for your family survival kit? You’ve come to the right place. Water is vital for emergency preparedness. Without it, you

Best Point of Entry Water Filter: Top Picks, Reviews & Buying Guide
Shopping for a Point-of-Entry Home Water Filter? You’re at the right place. Whether your house is supplied with municipal water, or you source your water

Best 4.5 x10 Water Filter Cartridges: Top Picks, Reviews & Buying Guide
Shopping for a 4.5 x10 Water Filter Cartridge? You’ve come to the right place. A 4.5 x10 water filter cartridge is one of the best