Cleaning and Antifreeze
1. To ensure good heat dissipation, please open the lid to clean the dirt after the Cooler is used in the long term.
2. Ethanol can be used as a short-term antifreeze, but it is corrosive and needs to be emptied within a week.
Users in cold areas should use noncorrosive special antifreeze.
It is recommended to choose CLARIANT (Clariant) brand, there are two types of antifreeze suitable for laser systems:
1) Antifrogen-N glycol-Water type (industrial products, toxic to human body)
2) Antifrogen-L propylene glycol-Water type (food grade, harmless to human body)

Water Tank Water Exchange Method and Frequency
1. To exchange the Water in the tank, drain the waste Water out of the tank using the drain outlet, and refill the tank with clean Water through the filling hole.
2. The frequency of Water exchange is crucial for maintaining the quality of the circulating Water and maximizing the service life of the laser tube. It is recommended to exchange the purified Water once a month and the running Water twice a month. It is also advised to use purified Water for optimal performance.