Nitrate / Nitrite Nitrogen WaterWorks Sensafe Nitrate / Nitrite test strips are the ideal solution when portable, reliable results matter. Whether testing well water or using them as a routine home testing solution, these strips are the best choice. Designed to be safe, no technical training is required to achieve results. Two versions are available depending on your detection needs: The first solution reports results and Nitrogen (N). The second solution, especially applicable for European markets, reports results as Nitrate or Nitrite (NO3 or NO2, respectively). Simply dip the test strip into your water sample for 2 seconds, remove, wait 1 minute for the colors to develop, and match to the closest color match. Accurate results have never been easier.

Kit #:	Detection Level:	Test Time:	# of Tests	Order Yours Today!
480009	NO3: 0, 0.5, 2, 5, 10, 20, 50;  NO2: 0.15, 0.3, 1, 1.5, 3, 10 ppm	1 Minute	Bottle of 50 Strips	Quantity: $14.99
481109	NO3: 0, 0.5, 2, 5, 10, 20, 50;  NO2: 0.15, 0.3, 1, 1.5, 3, 10 ppm	1 Minute	30 packets and 1 color chart	Quantity: $14.99

With this holding tank air pressure gauge you can easily check and maintain the holding tank air pressure to the required 8 PSI of air pressure to get your system up and running at its' peak efficiency.

Specially designed for use with low air pressure applications, this Holding Tank Air Pressure Gauge is a must for Reverse Osmosis Systems maintenance. 

TDS Meter
HM Digital, Inc., TDS-EZ Total Dissolved Solids Meter

The HM Digital EZ TDS meter is a must for reverse osmosis (RO) filter and membrane monitoring. Know when to change your pre-RO filters to extend the life of the RO membrane. Designed for home use, this pocket TDS meter comes with a 2 year limited manufacturer's warranty.Designed for the long haul, this compact TDS (Total Dissolved Solids) meter has been manufactured with a tough housing and large, easy to read LCD screen. It sports a measurment range of 0 to 9990 parts-per-million. Flip it over and the back side sports a handy color coded chart which classifies the water you are testing.The TDS-EZ is perfect for monitoring your reverse osmosis (RO) output water. Take the guess-work out of knowing when to change your filters! 

*The replacement filters and membranes advertised on this site are not manufactured by the companies that manufacture the underlying water treatment equipment unless so noted.  Our use of registered trademarks, such as Culligan®, Kiss®, Premier Manufactured Systems® and others, is only for purposes of identifying compatible replacement filters and membranes, and does not suggest any association, sponsorship or endorsement of our our products by the manufacturers of the underlying equipment. "COMPATIBLE" Legal Disclaimer COPYRIGHT Purewater4u.com is a trademark of Purewater 4U of Las Vegas, Inc. All other products mentioned are registered trademarks or trademarks of their respective companies. Proprietary contents contained herein are the sole property of Purewater4u.com and Purewater 4U of Las Vegas, Inc. and may not be reprinted, reproduced or transmitted in any form without written permission. Purewater 4U of Las Vegas, Inc., grants permission to electronically copy and to print hard copy portions of this site for the sole purpose of placing an order with or through Purewater4u.com, or using this site as a shopping resource. Any other use of materials on this site, including reproduction for purposes other than those noted above, modification, distribution, or republication, without prior written permission from Purewater 4U of Las Vegas, Inc. is strictly prohibited. Copyright © 1998 - 2011 Purewater 4U of Las Vegas, Inc. Las Vegas, NV, USA. All rights reserved.