Waterbed Maintenance and Support Supplies. Includes 8oz and 4oz Bottles of Water Conditioner, Fill and Drain Kit and Pull Cap and Seal 2 Vinyl Repair Kits. Extremely effective on hard water areas. Waterbed Water Mattress Cap and Seal Kit Designed for maximum air and watertight security. Ideal for opening and lifting mattress valve with ease. Fill & Drain Kit This fill and drain kit makes maintaining your waterbed a breeze. Easily fill and drain the water from your waterbed with this kit. Waterbed Conditioner Solution 4 oz. and bottle 8 oz. Conditioner - controls the growth of odor-causing, slime-forming bacteria. Vinyl Repair Kits to parch leaks if necessary. Extends water mattress life.