In the case of a green swimming pool, you are going to need ‘pool shock’. “Shocking” a swimming pool is also a great way to bring things back into balance but should not be over used.
You’ll enjoy the pleasures of swimming in crystal clear pool water by regularly maintaining and shocking your pool, typically every 2 – 3 months in normal conditions. Shocking your pool breaks up combined chlorine (chlorine + contaminants).
Understanding Swimming Pool Chlorine
When testing your pool’s chlorine level, it is important to first understand how chlorine is classified. Read more from Hayward using the link below.
Posted by: Hayward Poolside Original source: Shock the Pool – Continued