CUSTOM-SMALL
Before & After photo from test of  nanofiltation unit we call the  "Tannin Treater".
Examples of small portable custom units we have designed and built to treat special water contaminants. 
Membrane Units
Nanofiltration unit with UV reactor, designed to follow pretreatment by ozone and filtration.  This unit was built for a camp that had high iron, manganese, hardness, and arsenic.   800 gpd. 
Reverse Osmosis for heavy metals and concentrated salts.  Designed as a secondary treatment unit to go behind the FUV2. Produces about 300 gallons per day. 
The "Tannin Treater". Prefiltration,  Nanofiltration and UV unit for reducing Tannins commonly found in northern streams. Produces about 1200 GPD.    
Water taken from Shaw Creek Flats, Alaska