Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Coolant

Use a good brand of ethylene-glycol base coolant and mix it according to the manufacturer's directions.
Use of coolant which includes more than 50% ethylene-glycol (but not more than 70%) is recommended.

NOTE: Do not use an alcohol type coolant.