We suggest using the included water venturi powered Drain and Fill Pump to also fill your waterbed. If you overfill it simply turn the bell at the bottom of the pump to remove some water. When draining allow to drain for a long time and this will compress the fiber and remove the maximum amount of water, Replace the waterbed cap to keep everything compressed for easy handling and to prevent shifting of the fiber. Also includes: white nylon faucet to hose adapter, Patented hose to waterbed valve locking adapter, 2 hose washers, 3 (Three) Bottles of Premium Concentrated Waterbed Conditioner. For all types of waterbed mattresses. Ours is a unique, multifunctional formulation designed to treat and condition waterbed vinyl, fiber, and foam. It treats the inside vinyl surface of the mattress and reduces noisy gaseous air bubbles. Long-lasting protection, Compatible with all waterbeds. Keeps the water fresher for longer. Repeat about once per year. Don't pay for extra water in a larger bottle of conditioner, ours is condensed.