Water Chiller

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We use an industrial water chiller from ColeTech. They typically come with no user manual. What follows is some extra info on chilling the laser tube.

• recommended coolant: 80% distilled water + 20% DowFrost ( propylene glycol with a pH buffering agent). Ethylene glycol should not be used.
• When using tap water it should be fairly well filtered, changed every six weeks or mixed with a few drops of algaecide.
• if you forget to cool the laser tube for some reason turn it off as quickly as possible. Do not start cooling an already hot tube.