Welcome to Purely H20!

The Optima dual carbon valueline with catalytic carbon Only $139.00!!!

Our 75 gpd 5 stage Dual Carbon with Catalytic Carbon Aquarium system is packed with 2 powerful carbon filters for superior chlorine removal.This Reverse Osmosis Filter system Designed specifically for the needs of Aquarium Saltwater Reef Hobbyists in mind!

Complete Phosphate Remover Kit Only $89.95!!!

Complete Phosphate GFO & Carbon Dual reactor with Maxi-Jet 1200 and adapter with 1 lb. GFO and 1/2 lb. Carbon. All at a reduced price for a limited time!.

Hanna phosphate checker hi-713 Only $54.00!!!

Small Size, Big Convenience
Weighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis.Single button operation: Zero and Measure Operated by a single AAA battery

75 GPD dow filmtech membrane Only $38.00!!!

Our 75 GPD membrane fits most standard residential style membrane housings. Your purchase includes one 75 GPD Thin Film Composite membrane with a 1 year Waranty. In other words if your membrane fails within 1 year we will replace it at no cost to you! ***FREE SHIPPING***

The Optima CE 150 NOW Only $289.00!!!

This Reverse Osmosis Filter system Designed specifically for the needs of Aquarium Saltwater Reef Hobbyists in mind, The Optima C/E was designed to handle the newest trouble issue reefers face today, Chloramine. Also due to popular demand we have added all the features of the Optima Vision, Pro and Automated into one Amazing system

dual di add-on elite ONLY $79.95 !!!

Our twin DI add on kit comes complete with 2- 10 inch canisters, fittings and 2 refillable DI cartridges prefilled with top quality Resintech MBD-20 Nuclear Grade Resin. Kit comes completely assembled with HM-DIGITAL dual inline tds meter installed so all you have to do is cut your output line pop this in and go!

Ro/DI drinking water system add-on kit Only $59.95!!!

Now your RO/DI system can also function as a drinking water system. Includes all accessories needed to convert your RO/DI system into a drinking water system.

Purely H2O offers the finest and most high tech water treatment systems available today. We also custom build systems to suit your needs. If you have a problem unique to your water supply we can put together a system designed just for you! There are many different water issues all over the world and one system cant handle them all. If you have a water issue that you are unsure of give us a call and we will put together a system specific to your water. We also stock a wide variety of water testing devices such as Nitrate meters, refractometers, TDS meters, Ph meters, thermometers and much more! If you are looking for something you dont see on our site give us a call and we will get it if we dont have it already. Not sure what you need? Dont guess, give us a call! We can help you figure out what filters fit your system or what system is best for you. We will do our best to make sure you are happy with your purchase.