Nitrate Color Slider app for iPhone and iPad
4.0 (
8080 ratings )
Business
Developer: Nitrate Elimination Company, Inc.
Free
Current version: 1.0, last update: 7 years agoFirst release : 19 Dec 2013
App size: 2.36 Mb
Tap the color square until your test type appears (Water, Soil, etc). Then move the slider till you get the best match to your test kit results. Read the numbers in the color block.