Continue shopping “Blue Devil 0.5 oz. Test Kit Reagent Solution OTO Chlorine B7021” has been added to your cart. Product Price Quantity Total × Blue Devil 0.5 oz. Test Kit Reagent Solution OTO Chlorine B7021 $7.99 Blue Devil 0.5 oz. Test Kit Reagent Solution OTO Chlorine B7021 quantity $7.99 Cart totals Subtotal $7.99 Total $7.99 Proceed to checkout — OR — Coupon: