Product Description BAQUACIL Oxidizer (4 gal) is step of two of the Baquacil Care System. This oxidizer removes swimmer waste and other contaminants from the water with its specially-stabilized hydrogen peroxide formula. Product Dosage Start Up: 1 gallon per 10,000 gallons of water. Maintenance Dose: 1 quart per 10,000 gallons of water per week. Directions Start Up, Spring Opening or Conversion to Bquacil Systems: Add one gallon of Baquacil Oxidizer per 10,000 gallons of water. Consult your Baquacil Care Guide for start up directions. Weekly Dosage with the Baquacil Systems: Baquacil Oxidizer should be added once per week at the rate of one quart per 10,000 gallons of water. Add directly into the with the filter running. (Do not pour into skimmer). Test the Baquacil Oxidizer weekly using the Baquacil 4-Way Test Strips. Add a dose of Baquacil Oxidizer on the results of the test. (Initial dosage or maintenance dosage) If you are unable to maintain a Baquacil Oxidizer reading – and the test results indicate an addition of the initial dosage for 2 consecutive weeks, see your authorized dealer. For results test and balance your water regularly. Winterizing: For winterizing, spring start up, problem solving directions and additional information on water quality consult your Baquacil Care Guide. Ingredients Hydrogen Peroxide 27%: CAS No. 7722-84-1, Water: CAS No. 7732-18-5