SpaBoss Spa Plus (LITHIUM replacement) 1.5kg
AquaMaster Spa Fusion - https://dynastyspasparts.com/aquamaster-spa-fusion-2kg/
AquaMaster Super Tabs - https://dynastyspasparts.com/aquamaster-spa-super-tab-2kg/
is a granular chlorine sanitizer, Oxidizing Shock, buffer, clarifier and stain and scale preventative. Very similar to Lithium, Spa Plus can be added directly to hot tub water and requires no pre-mixing as it dissolves instantly.
SpaBoss Spa Plus's available chlorine is 34%.