I would disagree with zzrguy ... getting the salt right, and the SWG functioning will NOT kill off the green, but certainly is needed to prevent the green.
To clear up algae, you have to follow the ShockLevelAndMAINTAIN Process which is typically best done with the SWG turned off.
To clear up algae, you have to follow the ShockLevelAndMAINTAIN Process which is typically best done with the SWG turned off.