Welcome to Purely H20!

Dr. Tim's Aquatics NP-Active Pearls (450ml) Only $37.95!!!

NP-Active Pearls are a 100% biodegradable polymer DESIGNED and TESTED for aquatic systems that act as a carbon source for the growth of beneficial bacteria resulting in the removal of nitrate and phosphate from the water. All at a reduced price for a limited time!

Dr. Tim's Aquatics NP-Active Pearls (900ml) Only $79.95!!!

The Optima Automated with Catalytic carbon NOW Only $159.00!!!

The Optima Automated with Catalytic Carbon edition was designed to be completely automated. This system includes all the components needed to create an auto top off system for your aquarium. All at a reduced price for a limited time!

The Optima CA 150 Only $189.00 FOR A LIMITED TIME!!!

The Optima C/A Elite was designed to handle the newest trouble issue reefers face today, Chloramine. All at a reduced price for a limited time!

Coral Maxx I - 1 Watt Aquarium LED Only $239.00!!!

The most advanced, unrivaled aquarium 1 watt 112 LED lighting system on the market. This lighting system has a total of 112 LED's split between Cool White, Royal Blue, and UV LED's

Reduced price while supply lasts!

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 lb. Carbon. All at a reduced price for a limited time!

4 LBS LIGNITE CARBON only $15.95!!!

PurelyH2O Activated Premium Lignite Carbon comes in Medium size Particles. Medium size particles are easier to work with, while at the same time are slightly more efficient.Reduced pricing through the month of January!

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.