Natural Chemistry Pool First Aid Swimming Pool Chemical 2-Pack of 2 liter

Features: Clear clogged filters Get rid of scumlines and waterline rings Clear cloudy water No chemical odors or excessive scrubbing 2 liter 2-pack Dosages: Use 1 cap full per 2,000 gallons of water Use as neededYou may also like Natural Chemistry 05236 Spa Swimming Pool PHOSfree Extra Strength - 3 Liters.