(Based on a 50 000l pool)
Use only as directed.
With pump running on filter setting
Add 1 cup (250g) 50 000liters around the sides of the pool in the early evening
Daily or every 2nd day (maintain 1 -3ppm free chlorine)
NB: In case of vinyl or colored pool lining, add HTH® Ultra directly into the weir to prevent bleaching.
To treat algae, discolored water or due to extreme conditions ( i.e., extreme weather, high bather load, etc)
With the pump on the filter setting Add 3xnormal dose of HTH® Ultra or 1 sachet of HTH® Shock It
Test and correct pH after 12 hours. Only enter pool water when chlorine level is <3ppm