Join Date: Aug 2009
Location: Washington, the state
The master link usually needs to be of the same make & model as the chain.
The rust you see is wear particles rusting. It is called fretting corrosion.
What lube are you using? There might be a better lube than what you're using.
"Older people who are reasonable, good-tempered, and gracious will bear aging well. Those who are mean-spirited and irritable will be unhappy at every period of their lives.
"Let each of use properly whatever strengths he has and strive to use them well. If he does this, he will never find himself lacking."
Marcus Tullius Cicero