Cart Continue shopping “Cystine Tryptic Agar (CTA) Base Medium” has been added to your cart. Product Price Quantity Subtotal × DNase Test Agar with Toluidine Blue $1.27 DNase Test Agar with Toluidine Blue quantity $1.27 × Cystine Tryptic Agar (CTA) Base Medium $1.24 Cystine Tryptic Agar (CTA) Base Medium quantity $1.24 Coupon: Apply coupon Update cart Cart totals Subtotal $2.51 Total $2.51 Proceed to checkout