While the duvet might be light it will absorb a lot of water and become plenty heavy during washing.
Machine wash down duvet. Read the instructions provided in the manual before putting it inside the machine. A gentle setting is recommended for washing duvets along with a warm not hot water temperature around 30 degrees celsius is a good rule of thumb. Add an extra rinse cycle to ensure the detergent washes out of the comforter.
Wash the duvet on its own dont place any other items in the washing machine as this may damage or rip the duvet. Choose the lowest possible temperature. Cleaning the duvet in a washing machine is comparatively easier than washing by hand.
Tips to wash a feather down duvet. To wash your duvet set the washer to a gentle warm water cycle. When machine washing a natural duvet use a gentle cycle with the lowest possible temperature setting.
Remove your duvet from the wash and check for any soap residue. Place the duvet into a large machine with a small amount of mild liquid washing detergent and wash on a warm gentle cycle so as not to stress the seams. When using a washing machine with an agitator you will want to make sure your comforter is evenly balanced during all the cycles.
Washing a down comforter in a machine with an agitator is a little trickier because the comforter can get wrapped around the agitator and tear the fabric creating a big mess. Where possible use detergents specifically designed for this type of material and avoid using other types of detergent. Make sure you place it in without crumpling it up as the machine spins you dont want it to become tangled up.
If your machine has the option include an extra rinse and spin cycle. Remove and Check for Soap Residue. Washing will not ruin your goose down comforter but only if done right.