Ultima Total Control Shock & Algaecide (3 lbs)
Ultima Total Control is a combination Pool Shock and Algaecide treatment used to kill algae and shocks the swimming pool water without upsetting its pH balance.
This combined granular allows simple, direct application to the pool.
Ultima Total Control will kill and prevent black, green and yellow algae.
Use of this product improves water clarity, supplementing the chlorine already in the pool. One bottle treats 20,000 gallons.