Immersion Cooler for counter-cooling JULABO immersion coolers are primarily employed for countercooling open bath circulators to ambient temperature or below as well as for rapidly cooling liquids. JULABO immersion coolers have a small footprint and represent an economic solution preventing tap water usage for cooling. Ease of operation make this model series the ideal instruments for a variety of cooling applications. o Rapid cooling of liquids to low temperatures o Countercooling of liquids in combination with open bath circulators o Preventing the use of precious tap water for cooling o Compact design, small footprint o Ease of operation o Much safer and consistent than dry-ice