Hanna 1413 uS-CM Calibration Solution -- 16 oz Commercial and soil-based gardening

and soil-based gardening

Versatile Application: Our ClO2 Fast Release is suitable for various environments

Taste and odor: Cuts chlorine taste and odor from feed water

The original AQUAvalve is a direct replacement for older 1/4 in setups

Plugs are pre-moistened with a proprietary nutrient blend including Trichoderma

Hanna 1413 uS-CM Calibration Solution -- 16 oz Commercial and soil-based gardeningTDS solution are produced with high quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. The 1413 ? S cm solution is the one best suited for general use. This solution is also available in combination kits with the pH 7 buffer for the easy calibration of multiparameter instruments.