There are two main reasons this can happen.
Brown flakes in samsung washing machine. If you are finding brown flakes or powder in your machine it is actually rust. No difference clothes still have mold after wash rinse cycle. I am having to re-wash things.
Or Never washing in warm or hot water. When using chlorine bleach in hard water the bleach separates out the iron or manganese and causes it to build up in the machine. 3 Leave it overnight.
Pay close attention to the top of your washing machine where the lid closes shut. After I do a hot wash in my top loader fisher and paykel I get brown gunk on the clothes. This could be a real problem for us so it is imperative we get to the bottom of this.
Remove all items from the washer tub and ensure the tub is empty. Brown flakes in washing machine. When you are finished scrubbing close the lid and wait for it to drain.
The condo that I am renting has a front-loading Maytag Neptune MAH5500BWW washing machine. Add two cups of white cleaning vinegar to detergent dispenser. I filled it with a hot wash and powder and left it over night then drained followed by another full wash cycle without clothes.
After noticing flakes in the washing machine and our clothing having a funky smell I did some Google research and found that Samsung top load washing machin. I have a Samsung top loading washing machine that I bought. Brown Flakes in Aquajet VRT WA48H7400A Washer in Washers and Dryers 10-21-2020.