Sirona Alkalinity Up | Spa Alkalinity Increaser Type_Calcium Remover Measures -40°F to 572°F (-40°C

Measures -40°F to 572°F (-40°C to 300°C)

the algae debris must be removed by standard cleaning procedures

Broadcast Lo 'N Slo over the deep end of an open pool with the pump running

Suitable for all swimming pool type

Sirona Alkalinity Up | Spa Alkalinity Increaser Type_Calcium Remover Measures -40°F to 572°F (-40°CSirona Alkalinity Up (also known as Spa Up) is a granular alkalinity increaser that lays the foundation for balanced, comfortable, worry free spa water. Made from 100% sodium bicarbonate, it raises low total alkalinity and with it, gently brings up pH so the rest of your water chemistry can finally hold steady. Total alkalinity is the quiet hero of spa care. It's the buffer that keeps your pH stable, and when it runs low, everything gets harder: your