ECOFIX 8oz ECOFIX 8oz $5.50 SKU: AQP147A QTY: Click here to save 5% off of your order! ECOFIX 8-OZ The natural, active bacteria in Eco-Fix help to get pond water by increasing the concentration of dissolved oxygen in the water and reducing organic pollution, including sludge. Keeps ponds clean and clear, naturally. 8 oz treats 2,000 gallons.