How to Clean Your Anchor Chain and Dock Lines

It’s amazing how quickly your once-shiny anchor chain and dock lines can go from fresh and new to... not-so-pretty. But with a few low-cost tips and tricks, you can keep your gear clean, functional, and durable. Here are some tried-and-true techniques to keep in your back pocket. 

Rusty Anchor Chain? Here’s What to Do

Does your anchor chain look like it’s been to battle? Rusty, muddy, maybe even a bit stiff? Don’t worry, you’re not alone in this. Rust is very common, and it doesn’t mean your chain is a goner.

How Rust Forms

Rust happens when iron (which makes up steel chains) hangs out with water for a bit too long. When you pull your wet chain into your anchor locker, it creates the perfect rust-breeding ground. And salt water speeds this process up. 

How to Deal with Rust                       

If the rust on your chain is just a surface thing, you can probably still keep it for a while. Here are some methods for handling rust: 

  • Drag It Through the Sand: While you're boating, let the chain drag through the sand to knock off the rust. It’s cheap, easy, and lets nature do the hard work.
  • Cement Mixer with Sand: If you happen to have a cement mixer (or know someone who does), tossing in your chain with a little sand will do wonders. Just remove the paddles first to avoid damage.
  • Electrolysis: This is for the more adventurous. Electrolysis setups use a small electric current to remove rust. It’s a bit technical, so check out some guides online if you’re up for a harder DIY project.
  • Acid Baths and Wire Brushing: These can work, but be careful. Muriatic acid can be risky as it speeds up rusting once the treatment is done, so try using a milder option like phosphoric acid if you go this route.

Keeping Rust Away

The best prevention? Rinse your chain with fresh water after every use and let it dry out if you can. Airflow is key, so keep your anchor locker open for a bit to let any moisture evaporate.

Cleaning Muddy Anchor Chains

If you’re in a muddy spot, your anchor chain can come up with a serious “gift” of mud. A deck wash or a trusty bucket can usually help wash it down, but sometimes mud is stubborn. Here are a few ways to make mud removal easier:

  • Scrub Brushes: Wrap a few long-handled scrub brushes around your chain and secure them. As the chain passes through, it’ll knock off the worst of the mud.
  • Reverse Pull Method: Before pulling up the anchor, give the chain a bit of reverse pull. This helps lift the chain from the mud and gets rid of the biggest clumps.

If you don’t mind a little investment, consider adding a water pump within your anchor. It’s not a necessity, but it can save you a lot of time and hassle in the long run.

Keeping Your Dock Lines Soft and Clean

There’s nothing better than a soft, flexible dock line that cooperates when you need it. Over time, though, dock lines can turn stiff from salt and dirt. Here’s how to get them back to their prime condition:

  • Throw Them in the Washing Machine: Yes, it’s that easy. Just daisy chain the line (a simple braid works fine) and put it in a mesh laundry bag to avoid tangles. Run it on a gentle cycle with a little detergent and a splash of fabric softener.
  • Sun-Dry for Best Results: After washing, hang your lines outside to dry. Make sure they’re totally dry before using them again. A quick rinse with fresh water every now and then can also keep them pliable longer.
  • Bucket Soak Method: If the washing machine isn’t an option, fill up a bucket with water and a small amount of detergent, then let the lines soak. 

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