SpaPure Multi-Shock Extra (2 lb) Pool Frog Dealer New York Seat cartridges properly in the

Seat cartridges properly in the filter

For areas where algae problems are prevalent or in pools with a history of recurring algae

The tablets contain cyanuric acid to protect the chlorine from sunlight degradation

Dip strip into pool for one second and remove

or spa covers

SpaPure Multi-Shock Extra (2 lb) Pool Frog Dealer New York Seat cartridges properly in theSpa Pure Multi Shock Extra is a highly effective shock treatment which helps control algae, reduces eye and skin irritation, gives water a soft and silky feel, improves water clarity, and helps maintain better water balance. Effectively removes organic contaminants and the result is beautiful, clear water. It provides a rapid source of chlorine containing disinfectant, which protects the pool against the growth of bacteria and algae to help keep the