There's a lot of debate on this topic, and unfortunately, there's no definitive answer. Some experts say that you can put detergent in the liquid chlorine bleach dispenser, while others say that it's not a good idea. In general, it's best to err on the side of caution and not put detergent in the dispenser. If you do put detergent in the dispenser, be sure to use a very mild detergent and only use a small amount.