API ACCU-CLEAR by API $9.94 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. A water clarifier that quickly clears cloudy aquarium water by eliminating clouds of suspended particles. Clumps together floating particles to be removed by the filter. Improves filter effectiveness. One ounce treats 300 u. s. gallons.