Eco-Check is the one-dip solution for proper testing for total alkalinity, total hardness, nitrite and nitrate. Easy to use test strips for freshwater pond, aquarium,aquaculture, lake or stream. 

Bottle contains 25 tests. 

Tests for Nitrate, Nitrite, Total Alkalinity, pH, & Total Hardness

All the needed chemistries are precisely impregnated on the strip pads, ensuring accurate results.No powders, liquids, or tablets to measure.