20g Trichlor Tablets for use in hot tub and swim spa chlorine feeders. (1kg tub)
For use with a chlorine feeder or floating dispenser. Simply top up dispenser with tablets and refill as needed.
Ensure tablets used in the feeder are of the same type (Trichloroisocyanuric acid). If other chemicals have been used in the feeder ensure the feeder is washed out thoroughly before adding tablets.