{"id":903,"date":"2020-02-17T16:01:11","date_gmt":"2020-02-17T16:01:11","guid":{"rendered":"https:\/\/www.aqualab.pt\/?post_type=mppost&#038;p=903"},"modified":"2021-03-09T13:13:41","modified_gmt":"2021-03-09T13:13:41","slug":"swimming-pool-treatment","status":"publish","type":"mppost","link":"https:\/\/aqualab.pt\/en\/pages\/treatment-suggestion\/swimming-pool-treatment\/","title":{"rendered":"Swimming Pool Treatment"},"content":{"rendered":"\n<div class=\"wp-block-kobu-custom-blocks-responsive-spacer responsive-spacer size-small\"><\/div>\n\n\n<noscript class=\"loading-lazy\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/www.aqualab.pt\/files\/uploads\/2021\/03\/piscina-1024x427.jpg\" alt=\"\" class=\"wp-image-2845\" srcset=\"https:\/\/aqualab.pt\/files\/uploads\/2021\/03\/piscina-1024x427.jpg 1024w, https:\/\/aqualab.pt\/files\/uploads\/2021\/03\/piscina-300x125.jpg 300w, https:\/\/aqualab.pt\/files\/uploads\/2021\/03\/piscina-768x320.jpg 768w, https:\/\/aqualab.pt\/files\/uploads\/2021\/03\/piscina.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/noscript>\n\n\n<div class=\"wp-block-kobu-custom-blocks-responsive-spacer responsive-spacer size-medium\"><\/div>\n\n\n\n<figure class=\"wp-block-table alignwide is-style-stripes\"><table><tbody><tr><td><strong>Problem<\/strong><\/td><td><strong>Possible Causes<\/strong><\/td><td><strong>Solution<\/strong><\/td><\/tr><tr><td><strong>Elevated pH (alkaline)<\/strong><\/td><td>Alkaline water supply<\/td><td>Addition of acids adjuvants (e.g. dilute hydrochloric acid 20 times or appropriate commercially available products)<\/td><\/tr><tr><td><strong>Elevated pH (alkaline)<\/strong><\/td><td>The disinfectant used is alkaline<\/td><td>Consider the use of an acidic disinfectant<\/td><\/tr><tr><td><strong>Low pH (acid)<\/strong><\/td><td>Acidic water supply<\/td><td>Proceed to the addition of alkaline adjuvants (e.g. soda, sodium carbonate or appropriate commercially available products)<\/td><\/tr><tr><td><strong>Low pH (acid)<\/strong><\/td><td>The disinfectant used is acidic<\/td><td>Consider the use of an alkaline disinfectant<\/td><\/tr><tr><td><strong>Unstable Ph<\/strong><\/td><td>Water is not buffered | alkalinity levels are too low<\/td><td>Check and increase alkalinity<\/td><\/tr><tr><td><strong>Ph hard to change<\/strong><\/td><td>Water is too buffered | alkalinity levels are too high<\/td><td>Check and decrease alkalinity<\/td><\/tr><tr><td><strong>Chlorine too high<\/strong><\/td><td>Overdose of chlorine<\/td><td>Increase water renewal\/dilution | If the chlorine levels rare above mg\/L 10, you may use Sodium Thiosulphate or hydrogen peroxide to reduce them. This procedure must be done with the pool closed. The dechlorination of a pool should not be a routine solution, ideally, you should resort to dilution.<br><br>More information in the Hints and Tips section<\/td><\/tr><tr><td><strong>Cloudy and dirty water<\/strong><\/td><td>Too much use | Inadequate filtration<\/td><td>Reduce use and\/or increase water renewal \/ Check filtration, flow rates and backwash <\/td><\/tr><tr><td><strong>Cloudy water<\/strong><\/td><td>Precipitated salts associated with hardness | Air inlet or coagulant dosage<\/td><td>Check and correct, if necessary, pH, alkalinity and hardness | Check for possible air inlets in the filters and pump | Recalculate the dosage of coagulant<\/td><\/tr><tr><td><strong>Cloudy and coloured water<\/strong><\/td><td>Algae and sunlight, insufficient filtering<\/td><td>Increase the level of chlorine, perform a backwash. Use an algaecide<\/td><\/tr><tr><td><strong>Growth of viscous material on the walls and floor of the pool<\/strong><\/td><td>Algae and sunlight, insufficient filtering<\/td><td>With the pool closed, brush and\/or vacuum the algae, increase the level of chlorine, perform backwash and use an algaecide<\/td><\/tr><tr><td><strong>Water has a bad taste or smell \/ irritating to eyes and throat<\/strong><\/td><td>High combined chlorine | Incorrect pH<\/td><td>Check combined chlorine. Eventually, dilute or correct the free chlorine \/ Check and correct, if necessary<\/td><\/tr><tr><td><strong>Microbiological contamination (bacteria coliforms, Escherichia coli, Enterococci)<\/strong><\/td><td>Bacteria naturally present in the environment and\/or from contamination by faeces and\/or blood and\/or mucous and\/or skin<\/td><td>Due to high concentrations of disinfectant, this procedure should be done with the tank closed: carry out shock treatment by adding enough amount of disinfectant to achieve a concentration of 20 mg\/L Cl2 during 8 hours (or 40 mg\/L Cl2 for 4 hours)<\/td><\/tr><tr><td><strong>Contamination with Pseudomonas aeruginosa and Staphylococcus<\/strong><\/td><td>Bacteria naturally present in the environment and often present in the swimmers | Low levels of disinfectant and\/or insufficient backwashing<\/td><td>Overflow pool before performing the previously mentioned chlorine treatment.<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Problem Possible Causes Solution Elevated pH (alkaline) Alkaline water supply Addition of acids adjuvants (e.g. dilute hydrochloric acid 20 times or appropriate [&hellip;]<\/p>\n","protected":false},"featured_media":2821,"menu_order":0,"template":"","mppost_cat":[22],"class_list":["post-903","mppost","type-mppost","status-publish","has-post-thumbnail","hentry","mppost_cat-treatment-suggestion","mppost-entry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/mppost\/903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/mppost"}],"about":[{"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/types\/mppost"}],"version-history":[{"count":4,"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/mppost\/903\/revisions"}],"predecessor-version":[{"id":2860,"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/mppost\/903\/revisions\/2860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/media\/2821"}],"wp:attachment":[{"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/media?parent=903"}],"wp:term":[{"taxonomy":"mppost_cat","embeddable":true,"href":"https:\/\/aqualab.pt\/en\/wp-json\/wp\/v2\/mppost_cat?post=903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}