The Derby Duck Chlorinator is designed to use tri-chloro-s-triazinetrione tablets-slow dissolving type. Caution should be used when filling chlorine dispenser. Do not inhale fumes.
Under no circumstances should you mix tri-chloro with bromine, calcium hypochlorite, other forms of concentrated chlorine or with other chemicals, fire and explosion may result.
Chlorinator may tip when tablets have dissolved indicating it may need to be refilled