Originally Posted by MMNETSEA
Tried 2 brushes connected by a hinge one side and a 'hook & eye' on the other, does a fair job of cleaning the outside of the links but barely cleans out sticky clay from inside the links. 3 brushes worked a bit better - much better ! when combined with salt water from high pressure pump. In any event the anchor itself will need a different type of brush plus high pressure hose.
Here is one link : Website
When I said "a couple" I meant--and should have said-- three brushes as that's the only design I've seen. Also, I've never seen it used "above water" but rather below water (held down with lead weigh more than a few feet below water) such that the seawater itself helps clear the chain links of mud and muck.
The link you posted refers to the sticky clay of the PNW. It sounds to be a helplessly messy thing to get that all cleaned off. I do know a boat with a lovely and hard wearing large teak grid on the foredeck which the owners routinely piles up chain on the grid and blast the muck and "ick" off before stowing the chain in the anchor locker. It always seemed to me a waste to get that mud aboard the boat and then have to wash down the deck below the grid...etc. But, I suppose you do what you gotta do. In their case, their deck drains/scuppers exit the boat below the waterline. In our case, we just end up with mud and muck streaming down the sides of the boat since with the re-build we re-plumbed all our deck drains to exit the hull above the waterline.
How do you now deal with mud and muck on the anchor chain aboard your own boat(s)? scrubbers? washdown hose?