“Nitrate Tab (1 Test)” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × THM-01 Detection Kit for Heavy Metals and Intentional Arsenic (1 Test) $22.95 THM-01 Detection Kit for Heavy Metals and Intentional Arsenic (1 Test) quantity $22.95 × Nitrate Tab (1 Test) $12.00 Nitrate Tab (1 Test) quantity $12.00 Coupon: Apply coupon Update cart Cart totals Subtotal $34.95 Tax $0.00 Total $34.95 Proceed to checkout