Your Shopping Cart Continue shopping “Thetford AquaMax® Holding Tank Treatment – 32oz – Spring Shower Scent” has been added to your cart. Item Your Options Quantity Price The Marine Guardian Flush Mount Magnet Sensor The Marine Guardian Flush Mount Magnet Sensor quantity $25.00 × Thetford AquaMax® Holding Tank Treatment - 32oz - Spring Shower Scent Thetford AquaMax® Holding Tank Treatment - 32oz - Spring Shower Scent quantity $12.01 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $37.01 Sales Tax $2.22 Total $39.23 Proceed to checkout