DETAILS BAQUACIL CDX (.5 gal) is a specially formulated product that helps maintain a residual of Baquacil oxidizer in your pool water. This is step 3 of the Baquacil Pool Care System.. Dosage Start Up: 16 fl oz per 10,000 gallons of water. Maintenance Dose: 16 fl oz per 10,000 gallons of water per week. Directions Obtain pool volume and round up to the nearest 5,000 gallon increment. The start-up and maintenance dosages below apply to pools weather it is a ne…