Quantab strips test the chloride PPM in an aqueous solution, these easy to use strips are a convenient way to test chloride in solutions.
Place Quantab strips in an aqueous solution until it is completely saturated. The yellow string across the top turns blue-black in color when the reaction is completed. A white column of chloride will form and the length is proportionate to the chloride concentration. The value is read on the chart of the bottle and since each lot of tabs is calibrated independently it is recommended to only use the chart from the bottle that the tab was