Aug 16, 2013 - Chlorine will attack this organic matter, rather than the algae. . Use a good quality pool brush for the best results. Hi Maxine, draining and refilling the pool with fresh water, after a thorough cleaning and acid washing . Leslie's Fresh 'N Clear Pool Shock . Leslie's offers many types of pool shock, but we'll just focus on the best pool shock for . provides 73% available chlorine to effectively sanitize the pool, and kill bacteria, algae, and other contaminants. Use our Fresh 'N Clear Chlorine-Free Shock in your swimming pool and . chlorine orders, and prevents algae while freeing up existing chlorine in your pool. There are several types of swimming pool shock available on the market. . Reading this guide will help you determine which is the best type of shock for you. . Steps to emphasize - this may take several days to eliminate all the algae: Mar 2, 2018 - That's good, because shocking your pool on a regular basis is a simple way to prevent stray algae and bacteria from taking root in your water. The best method for clearing up your water is the same for all three types of algae with just one exception— pool shock If you click this link and make a purchase, . May 18, 2018 - Currently, the best pool shock is the Zappit Cal Hypo. . A single bag in this 10-pack box can kill the algae and bacteria in as much ok to use in salt or fresh water; one bag treats up to 10000 gallons; no measuring required . It is therefore best to use preventative pool algae chemicals and techniques to Another option is to drain half the water, and refill with fresh water, while . 6 days ago - Dengarden»; Swimming Pools & Hot Tubs . We will discuss in this article why chlorine, pH, and alkalinity are only the . without question, the filter is either not being backwashed and the DE is not fresh, or it is defective and not working properly. . Because algae feed on phosphates, algae blooms due to .