Eco-Check for water quality testing is ideal for everyone from the novice to the experienced.
Perfect for aquariums, ponds, lakes and streams each water quality strip tests for Nitrite, Nitrate, pH, Total Alkalinity and Total Hardness.
Total hardness; 0, 25, 50, 120, 250, 425 ppm (mg/L)
pH; 6.2, 6.8, 7.2, 7.8, 8.4
Nitrate NO3; 0, 0.5, 2, 5, 10, 20, 50 ppm (mg/L)
Nitrite NO2; 0.15, 0.3, 1, 1.5, 3, 10 ppm (mg/L)