Premium Waterbed Conditioner in a 4 ounce clear bottle Waterbed conditioner is very easy to use. Premium Waterbed Conditioer is Made in the USA for over 35 years. Conditioner comes is our 4 oz clear bottles Work with California king, Queen, Full, Super Single & Twin Softside and Hardside Waterbeds Most waterbed mattress manufactures want you to add 4 oz of premium water bed conditioner every six months