Double Points May - Purchase this item and get 
A fast, easy and accurate kit use to measure the nitrate levels in both fresh and saltwater. Tests levels from 0 to 160ppm
Nitrate build-up in aquariums is often an indicator of declining water quality. High levels of nitrate are frequently associated with poor fish health, algae growth, and a build up of organic pollutants.
This kit measures nitrate in fresh & saltwater aquariums . The instruction bookelt we tell how to test for nitrate, what the results mean and how to improve water quality and fish health.
