Cart Continue shopping “Cystine Tryptic Agar (CTA) Base Medium” has been added to your cart. Continue shopping “Columbia Agar with Horse Blood, Gentamicin and Penicillin” has been added to your cart. Product Price Quantity Subtotal × Dextrose Starch Agar $1.10 Dextrose Starch Agar quantity $1.10 × Cystine Tryptic Agar (CTA) Base Medium $1.24 Cystine Tryptic Agar (CTA) Base Medium quantity $1.24 × Columbia Agar with Horse Blood, Gentamicin and Penicillin $1.51 Columbia Agar with Horse Blood, Gentamicin and Penicillin quantity $1.51 Coupon: Apply coupon Update cart Cart totals Subtotal $3.85 Total $3.85 Proceed to checkout