This is a package of 12 one quart bottles of Combat 30 which contains a robust formula that controls and prevents algae in pools and spas. This concentrated liquid formula is not affected by high chlorine residues and may reduce the amount of chemicals needed. Combat 30 is compatible with all pool and spa types.
Active Ingredient of the Combat 30: 30% Pol (oxyethylene (dimethyliminio) ethylene (Dimethyliminio)-ethylene dichloride), 70% Other Ingredients.
Directions for Adding Combat 30 to Your Pool (With Just Visible Growth):
For initial dosage, add 24 to 36 fluid ounces of Combat 30 per 10,000 gallons of water and remove settled algae debris by cleaning. For freshly cleaned and filtered pools, add 13 to 24 fluid ounces of Combat 30 per 10,000 gallons of water. For maintenance, add 4 to 9 fluid ounces of Combat 30 per 10,000 gallons every 5 to 7 days.
Directions for Adding Combat 30 to Your Spa (With Just Visible Growth): For initial dosage, add 2 to 4 fluid ounces of Combat 30 per 1,000 gallons of water. For freshly cleaned and filtered spas, add 1 to 2 fluid ounces per 1,000 gallons. For maintenance, add .5 to .8 ounces of Combat 30 every 5 to 7 days.