Use Flocculant to Help Remove Pool Algae. If you have a multi-port valve on your filter, shut off your pump and turn the valve to Recirculate or Recycle. Add the recommended dosage of liquid or powder flocculant to your pool. Circulate your water for two hours, then shut off your pump and let it sit overnight. Learning how to remove algae from a salt water pool is the same as any normal . at no additional cost to you. and brush the walls and floors of your pool. Algae . How to Treat and Remove Algae From Your Pool. Home/How to Treat . Green pools occur when enough free-floating algae of this type is present in the water. . It may be tempting to let minor issues go, but this may lead to bigger problems. Nov 1, 2017 - Have green pool water or algae-splotched pool walls? We're here to tell you how you can. Method 1. Killing Green Algae with Chlorine. Use chlorine as your go-to algae killer. Brush the walls and floor of the swimming pool. Review pool chemical safety. Adjust the pool pH. Choose a chlorine shock product. Add an extra large dose of shock. Test the pool again the next day. Brush and test daily. Sep 9, 2013 - Swimart's tips for turning your pool from green to clean: Check your chlorine levels. Lower the pH levels by adding acid. Use a quality algaecide to kill algae. Brush pool walls to remove algae. Make sure your filter is working effectively. Aug 7, 2014 - Although it may be tempting to drain your pool and start over with clean water, . to remove dirt and debris from the pool walls, and vacuum again. Repeat . If left unchecked, this can lead to annoying algae growth, as well as . Jul 30, 2014 - Cleaning After A Storm - Leslie's Swimming Pool Supplies. Info . Although it may be tempting to remove the water, it can be dangerous . If contaminants are left in the pool for too long, there's a possibility that algae will form. Thankfully, you can remove the stains with chemicals you already use in your pool, but it takes some elbow grease. You may be tempted to drain your pool to .