Why do dishwasher racks rust

Rust forms when metal is exposed to water, so you want to keep the vinyl coating intact to prevent this form happening. Nine out of ten times, rusting on dishwasher racks occurs when the vinyl coating is nicked. … The first step in protecting your dishwasher racks from rust is to use gently load your dishes.

How do I keep my dishwasher racks from rusting?

Most dishwasher racks are coated in a layer of vinyl that protects the metal beneath from rusting. If the vinyl develops nicks and tears, though, it leaves the metal rack vulnerable to corrosion. Dishwasher manufacturers and appliance parts stores sell vinyl repair kits to correct the problem and prevent rust.

Is it safe to use a dishwasher with rusty racks?

A rusted metal dishwasher prong could scratch or puncture your skin, causing pain and possible infection. If the wound is serious enough, it may require stitches. There is a small chance of contracting tetanus with any puncture wound, rusty implement or not, so seek medical attention just in case.