{"id":3111,"date":"2024-10-23T11:46:03","date_gmt":"2024-10-23T09:46:03","guid":{"rendered":"https:\/\/www.dosita.com\/swimming-pool-how-to-manage-and-maintain-it\/"},"modified":"2024-10-23T11:46:03","modified_gmt":"2024-10-23T09:46:03","slug":"swimming-pool-how-to-manage-and-maintain-it","status":"publish","type":"post","link":"https:\/\/www.dosita.com\/en\/swimming-pool-how-to-manage-and-maintain-it\/","title":{"rendered":"Swimming pool: how to manage and maintain it"},"content":{"rendered":"<p><strong>Why treat swimming pool water?<\/strong><\/p>\n<p>Every day, microorganisms, contaminants, algae spores, bacteria, dust, soot and dirt are introduced into the water of your swimming pool, which are harmful to the health of swimmers.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Dirt particles and turbidity are eliminated by a good filtration system.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>For microorganisms, algae, bacteria and viruses, an appropriate chemical treatment is necessary.<\/p>\n<h4><strong>How to calculate the volume of water in your pool:<span class=\"Apple-converted-space\">\u00a0<\/span><\/strong><\/h4>\n<p><strong>Rectangular<\/strong> <strong>pool<\/strong>:<span class=\"Apple-converted-space\">\u00a0<\/span>Length (m) x Width (m) x Average height = Volume in cubic meters<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>Round pool<\/strong>:<span class=\"Apple-converted-space\">\u00a0<\/span>Length (m) x Width (m) x Average height x 0.79 = Volume in cubic meters<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>Oval pool<\/strong>:<span class=\"Apple-converted-space\">\u00a0<\/span>Length (m) x Width (m) x Average height x 0.89 = Volume in cubic meters<\/p>\n<p><strong>Free-form pool<\/strong>:<span class=\"Apple-converted-space\">\u00a0<\/span>Length (m) x Width (m) x Average height x 0.85 = Volume in cubic meters<\/p>\n<h4>Problem: green water<\/h4>\n<p><strong>CAUSE<\/strong>: Algae proliferation due to insufficient chlorination<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Perform a shock chlorination with 56% Chlorine in the amount of 15gr\/mc, after having<span class=\"Apple-converted-space\">\u00a0<\/span>adjusted the pH between 7.2 and 7.6; Increase the pump operating hours, dose flocculant (only with sand filter). If the problem occurs frequently, use a concentrated anti-algae product.<\/p>\n<h4>Problem: milky water<\/h4>\n<p><strong>CAUSE<\/strong>: basic pH higher than 8<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Restore the pH to 7.2 and perform a shock chlorination with 56% chlorine in the amount of<span class=\"Apple-converted-space\">\u00a0<\/span>15gr\/m3.<\/p>\n<h4>Problem: cloudy water<\/h4>\n<p><strong>CAUSE<\/strong>: Insufficient filtration<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Increase the pump operating hours, dose flocculant (only with sand filter).<\/p>\n<h4>Problem: brown\/reddish water<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<p><strong>CAUSE<\/strong>: Presence of iron and\/or manganese<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Adjust the pH to 7.2, perform a shock chlorination (15gr\/m3). For maintenance use a sequestrant.<\/p>\n<h4>Problem: unpleasant chlorine smell, eye irritation<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<p><strong>CAUSE<\/strong>: Low chlorine level, presence of chloramines.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Adjust the pH to 7.2, dose specific granular active oxygen to break down chloramines, or perform a shock chlorination in the quantity of 15gr\/m3.<\/p>\n<h4>Problem: eye irritation without chlorine smell<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<p><strong>CAUSE<\/strong>: Excess chlorine in the pool<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Reduce the chlorine with a specific product (chlorine reducer), bring the pH value between 7.2 and 7.6.<\/p>\n<h4>Problem: oxidized metal parts, brown stains<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<p><strong>CAUSE<\/strong>: pH too low, less than 7<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><strong>SOLUTION<\/strong>: Adjust the pH between 7.2 and 7.6.<\/p>\n<h4>Problem: Stains on the walls and edges<\/h4>\n<p><strong>CAUSE<\/strong>: Presence of algae due to insufficient chlorination.<\/p>\n<p><strong>SOLUTION<\/strong>: Perform a shock chlorination, scrub the walls with a brush, increase the maintenance chlorine rate to at least 1.5, use a concentrated anti-algae product.<\/p>\n<h4>Problem: Dark stains on the waterline<\/h4>\n<p><strong>CAUSE<\/strong>: Grease residues, oils, soot and smog.<\/p>\n<p><strong>SOLUTION<\/strong>: Clean with an alkaline detergent with a high degreasing action and with an abrasive<span class=\"Apple-converted-space\">\u00a0<\/span>pool brush. To prevent this problem, rinse the waterline once every two weeks with liquid chlorine.<\/p>\n<h4>Problem: rough walls with whitish stains<\/h4>\n<p><strong>CAUSE<\/strong>: Very calcareous water<\/p>\n<p><strong>SOLUTION<\/strong>: Descale the walls with the pool empty with an acid-based descaler with a strong descaling action, when filling add a descaler, preventive anti-corrosion product.<\/p>\n<h4>Opening a swimming pool:<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<ol>\n<li>Clean the walls from whitish encrustations with an acid-based product and the dark halo on the<span class=\"Apple-converted-space\">\u00a0<\/span>waterline with an alkaline detergent product.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Backwash followed by rinsing the filtration system (for sand filters), if the sand is encrusted with limestone, wash it with a preventive filter detergent.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Check the pH of the water and if necessary bring it to values \u200b\u200bbetween 7.2 &#8211; 7.6.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Perform a shock chlorination with 15 g of granular chlorine at 56% or 63% for every cubic meter of water,<span class=\"Apple-converted-space\">\u00a0<\/span>then keep the filtration system running for at least 24 consecutive hours.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>The next day add an anti-algae product with preventive action against the proliferation of algae.<\/li>\n<\/ol>\n<p>Pool maintenance:<\/p>\n<ol>\n<li>Check the pH with a test kit every day, keeping it between 7.2 &#8211; 7.6.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Add 2 to 4 grams of 56% or 63% granular chlorine per cubic meter of water every day, or<span class=\"Apple-converted-space\">\u00a0<\/span>insert a 200-gram trichlorine tablet per 10-15 cubic meters<span class=\"Apple-converted-space\">\u00a0<\/span>of water every week into the skimmers or dispensers.<span class=\"Apple-converted-space\"><br \/>\n<\/span><strong>ATTENTION<\/strong>: chlorine in powder or tablets in direct contact with layner or PVC coatings can<span class=\"Apple-converted-space\">\u00a0<\/span>stain.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Adjust the dosage to obtain a chlorine value between 0.5 and 1.2 mg\/l.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Dose an anti-algae product for preventive use once a week.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Backwash followed by rinsing the filter at least once a week.<\/li>\n<\/ol>\n<h4>When going on vacation:<span class=\"Apple-converted-space\">\u00a0<\/span>(treatment for 2\/3 weeks)<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<ol>\n<li>Adjust the pH of the water.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Perform a shock chlorination with 15g of 56% or 63% granular chlorine for every cubic meter of water.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Insert 3 200-gram trichlorine tablets into the skimmers for every 10 cubic meters of water.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Keep the pump on for at least 8\/10 hours a day.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>If possible, cover the pool with a winter cover.<\/li>\n<\/ol>\n<h4>Closing for a period of inactivity:<span class=\"Apple-converted-space\">\u00a0<\/span><\/h4>\n<ol>\n<li>Perform a backwash followed by rinsing the filter.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Check the pH of the water and bring it to 7.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>Perform a shock chlorination with 15g of 56% or 63% granular dichlorine for every cubic meter of water, keeping the filtration system running.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li>The next day, add a specific WINTERING product and cover with a sheet, keep the system running for another 5 hours, then dismantle the pump, empty it of the water contained and store it in a dry environment.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<\/ol>\n<p><strong>ATTENTION<\/strong>:<span class=\"Apple-converted-space\">\u00a0<\/span>It is advisable not to leave chlorine tablets in the skimmers during the winter shutdown period as they can cause problems with the pipes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why treat swimming pool water? Every day, microorganisms, contaminants, algae [&hellip;]<\/p>\n","protected":false},"author":8173,"featured_media":3049,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-3111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/posts\/3111"}],"collection":[{"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/users\/8173"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/comments?post=3111"}],"version-history":[{"count":0,"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/posts\/3111\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/media\/3049"}],"wp:attachment":[{"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/media?parent=3111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/categories?post=3111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dosita.com\/en\/wp-json\/wp\/v2\/tags?post=3111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}