1 Bottle of 8 oz Premium Clear Bottle Waterbed Conditioner for California king, Queen & Super Single Water Bed Mattresses Premium Waterbed Conditioner is Very easy to use. Just open and pour into your waterbed mattress. Made in the USA for over 35 years. We have it in stock for fast service Work with California King, Queen, Double, Super single & Twin Softside and Hardside Waterbed Mattresses Most waterbed mattress manufactures want you to 4 oz every six months or 8 oz every 8-12 months