** Please note: Amy Stark from Stark Transformation receives a small commission from Amazon if you purchase any of these products using my link. There is no extra charge when using my links. Thank you!
Aquarium Chiller 75gal 1/3 HP Fish Tank Chiller Special Quiet Design Refrigeration Compressor for hydroponics (75gal/300L)
If you don't want to make ice, you can purchase a chiller. This chiller should cool your bath to below 60 degrees, though it will depend on how much water, ambient air temp, and starting water temp.