Five 4 oz Bottles of Premium Waterbed Conditioner for California King, Queen, Full or Super Single Hardside & Softside Free Flow & Waveless Water Bed Mattresses & Bladders This is your preventive maintenance against algae/bacteria build up. You will notice less air build up in your mattress. Works on all Hardside and Softside waterbed mattresses with one or two bladders Conditioner will help prevent the vinyl from drying and getting hard which could lead to cracks and seam splits. Aqua Fusion has been manufacturing quality products in the U.S. for over 35 years.