Boekel Scientific Lab Water bath cleaner helps clean up your lab's act. Just 20 drops of this water bath additive once every two weeks controls inanimate organic particles, and the eight-ounce bottle treats up to 200 gallons (757 L) of water. If you use your lab water bath at higher temps - like the Boekel Hot Tub boiling baths - more frequent application may be necessary. Water baths can be major source of contamination in laboratories. The Boekel Scientific Water Bath Cleaner is used for cleaning and maintaining heated and chilled water baths.