{"id":5949,"date":"2025-11-03T10:57:26","date_gmt":"2025-11-03T03:57:26","guid":{"rendered":"https:\/\/hokoidep.com.vn\/?p=5949"},"modified":"2025-11-03T10:57:26","modified_gmt":"2025-11-03T03:57:26","slug":"cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi","status":"publish","type":"post","link":"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/","title":{"rendered":"C\u00e1c c\u00e1ch l\u00e0m trong n\u01b0\u1edbc h\u1ed3 c\u00e1 koi ngo\u00e0i tr\u1eddi"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">T\u00f3m T\u1eaft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#TAI_SAO_PHAI_LAM_TRONG_NUOC_HO_CA_KOI_NGOAI_TROI\" >T\u1ea0I SAO PH\u1ea2I L\u00c0M TRONG N\u01af\u1edaC H\u1ed2 C\u00c1 KOI NGO\u00c0I TR\u1edcI?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#NGUYEN_NHAN_KHIEN_NUOC_HO_KOI_NGOAI_TROI_BI_DUC_XANH_VANG\" >NGUY\u00caN NH\u00c2N KHI\u1ebeN N\u01af\u1edaC H\u1ed2 KOI NGO\u00c0I TR\u1edcI B\u1eca \u0110\u1ee4C, XANH, V\u00c0NG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#CAC_CACH_LAM_TRONG_NUOC_HO_CA_KOI_NGOAI_TROI\" >C\u00c1C C\u00c1CH L\u00c0M TRONG N\u01af\u1edaC H\u1ed2 C\u00c1 KOI NGO\u00c0I TR\u1edcI<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#HE_THONG_LOC_VA_VE_SINH_DUNG_KY_THUAT\" >H\u1ec6 TH\u1ed0NG L\u1eccC V\u00c0 V\u1ec6 SINH \u0110\u00daNG K\u1ef8 THU\u1eacT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#QUAN_LY_DINH_DUONG_MOI_TRUONG_NUOC\" >QU\u1ea2N L\u00dd DINH D\u01af\u1ee0NG &amp; M\u00d4I TR\u01af\u1edcNG N\u01af\u1edaC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#SU_DUNG_CHE_PHAM_SINH_HOC_KHONG_DUNG_HOA_CHAT_DIET_TAO\" >S\u1eec D\u1ee4NG CH\u1ebe PH\u1ea8M SINH H\u1eccC (KH\u00d4NG D\u00d9NG H\u00d3A CH\u1ea4T DI\u1ec6T T\u1ea2O)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#QUY_TRINH_XU_LY_NUOC_DUC_THEO_TUNG_TRUONG_HOP\" >QUY TR\u00ccNH X\u1eec L\u00dd N\u01af\u1edaC \u0110\u1ee4C THEO T\u1eeaNG TR\u01af\u1edcNG H\u1ee2P<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#BANG_THONG_SO_NUOC_LY_TUONG_CHO_HO_KOI_NGOAI_TROI\" >B\u1ea2NG TH\u00d4NG S\u1ed0 N\u01af\u1edaC L\u00dd T\u01af\u1edeNG CHO H\u1ed2 KOI NGO\u00c0I TR\u1edcI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#CAC_CONG_VIEC_BAO_TRI_HO_KOI_GIU_NUOC_LUON_TRONG\" >C\u00c1C C\u00d4NG VI\u1ec6C B\u1ea2O TR\u00cc H\u1ed2 KOI GI\u1eee N\u01af\u1edaC LU\u00d4N TRONG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#SAI_LAM_THUONG_GAP_KHI_XU_LY_NUOC_HO_KOI\" >SAI L\u1ea6M TH\u01af\u1edcNG G\u1eb6P KHI X\u1eec L\u00dd N\u01af\u1edaC H\u1ed2 KOI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/#TOM_LAI\" >T\u00d3M L\u1ea0I<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"TAI_SAO_PHAI_LAM_TRONG_NUOC_HO_CA_KOI_NGOAI_TROI\"><\/span>T\u1ea0I SAO PH\u1ea2I L\u00c0M TRONG N\u01af\u1edaC H\u1ed2 C\u00c1 KOI NGO\u00c0I TR\u1edcI?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_5952\" aria-describedby=\"caption-attachment-5952\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-5952\" src=\"https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/ho-ca-koi-nuoc-trong-nhin-ho-ca-tham-my-va-ca-khoe-manh-hon.jpg\" alt=\"h\u1ed3 c\u00e1 koi n\u01b0\u1edbc trong nh\u00ecn h\u1ed3 c\u00e1 th\u1ea9m m\u1ef9 v\u00e0 c\u00e1 kh\u1ecfe m\u1ea1nh h\u01a1n\" width=\"700\" height=\"526\" srcset=\"https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/ho-ca-koi-nuoc-trong-nhin-ho-ca-tham-my-va-ca-khoe-manh-hon.jpg 700w, https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/ho-ca-koi-nuoc-trong-nhin-ho-ca-tham-my-va-ca-khoe-manh-hon-532x400.jpg 532w, https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/ho-ca-koi-nuoc-trong-nhin-ho-ca-tham-my-va-ca-khoe-manh-hon-600x451.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-5952\" class=\"wp-caption-text\">H\u1ed3 c\u00e1 koi n\u01b0\u1edbc trong nh\u00ecn h\u1ed3 c\u00e1 th\u1ea9m m\u1ef9 v\u00e0 c\u00e1 kh\u1ecfe m\u1ea1nh h\u01a1n<\/figcaption><\/figure>\n<p>N\u01b0\u1edbc l\u00e0 \u201ch\u1ec7 h\u00f4 h\u1ea5p th\u1ee9 hai\u201d c\u1ee7a c\u00e1 koi. C\u00e1 c\u00f3 th\u1ec3 s\u1ed1ng trong n\u01b0\u1edbc \u0111\u1ee5c, nh\u01b0ng <strong>kh\u00f4ng th\u1ec3 kh\u1ecfe m\u1ea1nh trong n\u01b0\u1edbc m\u1ea5t c\u00e2n b\u1eb1ng sinh h\u1ecdc<\/strong>. M\u1ed9t h\u1ed3 koi \u0111\u1eb9p kh\u00f4ng ch\u1ec9 \u1edf h\u00ecnh d\u00e1ng thi\u1ebft k\u1ebf hay gi\u00e1 tr\u1ecb \u0111\u00e0n c\u00e1, m\u00e0 c\u1ed1t l\u00f5i n\u1eb1m \u1edf:<\/p>\n<ul>\n<li>\u0110\u1ed9 trong c\u1ee7a n\u01b0\u1edbc \u2192 \u0111\u1ea3m b\u1ea3o th\u1ea9m m\u1ef9 &amp; tr\u1ea3i nghi\u1ec7m quan s\u00e1t.<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh \u2192 c\u00e1 \u00edt b\u1ec7nh, t\u0103ng tr\u01b0\u1edfng t\u1ed1t, l\u00ean m\u00e0u chu\u1ea9n.<\/li>\n<li>H\u1ec7 vi sinh kh\u1ecfe \u2192 n\u01b0\u1edbc t\u1ef1 c\u00e2n b\u1eb1ng, kh\u00f4ng ph\u1ea3i x\u1eed l\u00fd li\u00ean t\u1ee5c.<\/li>\n<\/ul>\n<p>Trong h\u1ed3 koi ngo\u00e0i tr\u1eddi, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 m\u01b0a, b\u1ee5i, n\u1eafng, l\u00e1 c\u00e2y r\u01a1i, nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i&#8230; khi\u1ebfn vi\u1ec7c gi\u1eef n\u01b0\u1edbc trong <strong>kh\u00f3 h\u01a1n nhi\u1ec1u<\/strong> so v\u1edbi h\u1ed3 trong nh\u00e0. Do \u0111\u00f3, n\u1ebfu kh\u00f4ng c\u00f3 ki\u1ebfn th\u1ee9c \u0111\u00fang, ng\u01b0\u1eddi ch\u01a1i koi s\u1ebd g\u1eb7p t\u00ecnh tr\u1ea1ng:<\/p>\n<ul>\n<li>H\u1ed3 m\u1edbi x\u00e2y \u2192 nhanh \u0111\u1ee5c sau 1\u20132 tu\u1ea7n<\/li>\n<li>H\u1ed3 l\u00e2u n\u0103m \u2192 n\u01b0\u1edbc xanh t\u1ea3o, tanh, c\u00f3 m\u00f9i<\/li>\n<li>C\u00e1 hay n\u1ed5i \u0111\u1ea7u, b\u1ec7nh \u0111\u01b0\u1eddng ru\u1ed9t, tr\u1ea7y m\u00ecnh<\/li>\n<li>Thay n\u01b0\u1edbc li\u00ean t\u1ee5c v\u1eabn kh\u00f4ng c\u1ea3i thi\u1ec7n<\/li>\n<\/ul>\n<p>V\u00ec v\u1eady, <strong>n\u01b0\u1edbc trong kh\u00f4ng ph\u1ea3i nh\u1edd h\u00f3a ch\u1ea5t, m\u00e0 nh\u1edd h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt + quy tr\u00ecnh v\u1eadn h\u00e0nh chu\u1ea9n<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NGUYEN_NHAN_KHIEN_NUOC_HO_KOI_NGOAI_TROI_BI_DUC_XANH_VANG\"><\/span>NGUY\u00caN NH\u00c2N KHI\u1ebeN N\u01af\u1edaC H\u1ed2 KOI NGO\u00c0I TR\u1edcI B\u1eca \u0110\u1ee4C, XANH, V\u00c0NG<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_5950\" aria-describedby=\"caption-attachment-5950\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-5950\" src=\"https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/nguyen-nhan-ho-ca-koi-bi-duc-khong-trong-nuoc.jpg\" alt=\"nguy\u00ean nh\u00e2n h\u1ed3 c\u00e1 koi b\u1ecb \u0111\u1ee5c kh\u00f4ng trong n\u01b0\u1edbc\" width=\"700\" height=\"393\" srcset=\"https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/nguyen-nhan-ho-ca-koi-bi-duc-khong-trong-nuoc.jpg 700w, https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/nguyen-nhan-ho-ca-koi-bi-duc-khong-trong-nuoc-600x337.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-5950\" class=\"wp-caption-text\">Nguy\u00ean nh\u00e2n h\u1ed3 c\u00e1 koi b\u1ecb \u0111\u1ee5c kh\u00f4ng trong n\u01b0\u1edbc<\/figcaption><\/figure>\n<p>D\u01b0\u1edbi g\u00f3c \u0111\u1ed9 k\u1ef9 thu\u1eadt, n\u01b0\u1edbc h\u1ed3 koi b\u1ecb \u0111\u1ee5c l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u nguy\u00ean nh\u00e2n li\u00ean quan \u0111\u1ebfn <strong>t\u1ea3i tr\u1ecdng sinh h\u1ecdc \u2013 h\u1ec7 l\u1ecdc \u2013 vi sinh \u2013 \u00e1nh s\u00e1ng \u2013 dinh d\u01b0\u1ee1ng<\/strong>.<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>D\u1ea1ng n\u01b0\u1edbc \u0111\u1ee5c<\/strong><\/td>\n<td><strong>Bi\u1ec3u hi\u1ec7n<\/strong><\/td>\n<td><strong>Nguy\u00ean nh\u00e2n c\u1ed1t l\u00f5i<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ee5c s\u1eefa<\/td>\n<td>Tr\u1eafng \u0111\u1ee5c nh\u01b0 s\u1eefa, nh\u00ecn kh\u00f4ng r\u00f5 c\u00e1<\/td>\n<td>M\u1ea5t c\u00e2n b\u1eb1ng vi khu\u1ea9n, thi\u1ebfu vi sinh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ee5c xanh<\/td>\n<td>N\u01b0\u1edbc m\u00e0u xanh l\u1ee5c<\/td>\n<td>T\u1ea3o \u0111\u01a1n b\u00e0o b\u00f9ng ph\u00e1t do n\u1eafng m\u1ea1nh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ee5c v\u00e0ng \/ n\u00e2u<\/td>\n<td>M\u00e0u tr\u00e0 \u2013 n\u01b0\u1edbc c\u00f3 m\u00f9i<\/td>\n<td>H\u1eefu c\u01a1 d\u01b0 th\u1eeba, th\u1ee9c \u0103n th\u1eeba, l\u00e1 c\u00e2y, ph\u00e2n c\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Trong nh\u01b0ng c\u00f3 m\u00e0ng d\u1ea7u<\/td>\n<td>M\u1eb7t n\u01b0\u1edbc loang m\u1ee1<\/td>\n<td>D\u1ea7u c\u00e1, ch\u1ea5t nh\u1eddn, th\u1ee9c \u0103n nhi\u1ec1u \u0111\u1ea1m<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc h\u00f4i, m\u00f9i tanh<\/td>\n<td>Kh\u00f4ng \u0111\u1ee5c nh\u01b0ng c\u00f3 m\u00f9i<\/td>\n<td>L\u1ecdc y\u1ebfu, ph\u00e2n c\u00e1 t\u00edch t\u1ee5 \u0111\u00e1y, NH3 cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1eb7c \u0111i\u1ec3m chung: <strong>H\u1ed3 c\u00e0ng \u201cx\u1eed l\u00fd ki\u1ec3u ch\u1eefa ch\u00e1y\u201d, d\u1eabn \u0111\u1ebfn n\u01b0\u1edbc trong h\u1ed3 c\u00e0ng m\u1ea5t c\u00e2n b\u1eb1ng c\u00e1c ch\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1 koi ph\u00e1t tri\u1ec3n t\u1ed1t<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CAC_CACH_LAM_TRONG_NUOC_HO_CA_KOI_NGOAI_TROI\"><\/span>C\u00c1C C\u00c1CH L\u00c0M TRONG N\u01af\u1edaC H\u1ed2 C\u00c1 KOI NGO\u00c0I TR\u1edcI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-5951\" src=\"https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi.jpg\" alt=\"c\u00e1c c\u00e1ch l\u00e0m trong n\u01b0\u1edbc h\u1ed3 c\u00e1 koi ngo\u00e0i tr\u1eddi\" width=\"700\" height=\"394\" srcset=\"https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi.jpg 700w, https:\/\/hokoidep.com.vn\/wp-content\/uploads\/2025\/11\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi-600x338.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh chu\u1ea9n theo c\u00e1c chuy\u00ean gia Nh\u1eadt nu\u00f4i c\u00e1 koi \u00e1p d\u1ee5ng: <strong>l\u1ecdc \u0111\u00fang \u2013 dinh d\u01b0\u1ee1ng chu\u1ea9n \u2013 vi sinh \u1ed5n \u0111\u1ecbnh \u2013 qu\u1ea3n l\u00fd \u00e1nh s\u00e1ng \u2013 v\u1ec7 sinh \u0111i\u1ec1u \u0111\u1ed9<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"HE_THONG_LOC_VA_VE_SINH_DUNG_KY_THUAT\"><\/span>H\u1ec6 TH\u1ed0NG L\u1eccC V\u00c0 V\u1ec6 SINH \u0110\u00daNG K\u1ef8 THU\u1eacT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng l\u1ecdc chu\u1ea9n c\u00f4ng su\u1ea5t<\/strong><\/p>\n<ul>\n<li>Th\u1ec3 t\u00edch l\u1ecdc ti\u00eau chu\u1ea9n: <strong>30\u201340% dung t\u00edch h\u1ed3<\/strong><\/li>\n<li>H\u1ec7 l\u1ecdc ph\u1ea3i c\u00f3 \u0111\u1ee7 3 ng\u0103n: <strong>l\u1eafng \u2013 c\u01a1 \u2013 sinh h\u1ecdc<\/strong><\/li>\n<li>N\u01b0\u1edbc ph\u1ea3i \u0111i qua l\u1ecdc sinh h\u1ecdc <strong>\u00edt nh\u1ea5t 30\u201340 ph\u00fat\/v\u00f2ng<\/strong><\/li>\n<li>V\u1eadt li\u1ec7u l\u1ecdc hi\u1ec7u qu\u1ea3: J-Mat, s\u1ee9 l\u1ecdc, bio ball, K1, moving bed\u2026<\/li>\n<\/ul>\n<p><strong>B\u1ed5 sung \u0111\u00e8n UV trong tr\u01b0\u1eddng h\u1ee3p n\u01b0\u1edbc xanh t\u1ea3o<\/strong><\/p>\n<ul>\n<li>UV di\u1ec7t t\u1ea3o l\u01a1 l\u1eedng, vi khu\u1ea9n g\u00e2y b\u1ec7nh<\/li>\n<li>C\u00f4ng su\u1ea5t chu\u1ea9n: <strong>3W UV cho m\u1ed7i 1m\u00b3 n\u01b0\u1edbc<\/strong><\/li>\n<li>L\u01b0u \u00fd: UV <strong>kh\u00f4ng thay th\u1ebf vi sinh<\/strong>, ch\u1ec9 h\u1ed7 tr\u1ee3 x\u1eed l\u00fd t\u1ea3o<\/li>\n<\/ul>\n<p><strong>V\u1ec7 sinh l\u1ecdc \u0111\u1ecbnh k\u1ef3 \u0111\u00fang c\u00e1ch<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<td><strong>V\u1eadt li\u1ec7u l\u1ecdc<\/strong><\/td>\n<td><strong>Chu k\u1ef3 v\u1ec7 sinh<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>J-Mat<\/td>\n<td>2 th\u00e1ng\/l\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td>B\u00f9i nh\u00f9i Nh\u1eadt<\/td>\n<td>3\u20134 th\u00e1ng\/l\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td>Than ho\u1ea1t t\u00ednh<\/td>\n<td>Thay 6\u201312 th\u00e1ng\/l\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td>K1 \u2013 Bio ball<\/td>\n<td>Kh\u00f4ng c\u1ea7n r\u1eeda, ch\u1ec9 x\u1ea3 \u0111\u00e1y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u26a0\ufe0f Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng r\u1eeda l\u1ecdc b\u1eb1ng n\u01b0\u1edbc m\u00e1y v\u00ec trong n\u01b0\u1edbc m\u00e1y c\u00f3 Clo s\u1ebd gi\u1ebft s\u1ea1ch vi sinh.<\/p>\n<p><strong>Thay n\u01b0\u1edbc \u0111\u00fang k\u1ef9 thu\u1eadt<\/strong><\/p>\n<ul>\n<li>Thay 10\u201320% n\u01b0\u1edbc\/tu\u1ea7n<\/li>\n<li>Kh\u00f4ng thay 100% \u2192 c\u00e1 s\u1ed1c ch\u1ebft<\/li>\n<li>N\u01b0\u1edbc m\u1edbi ph\u1ea3i kh\u1eed clo \u2013 s\u1ee5c oxy tr\u01b0\u1edbc khi v\u00e0o h\u1ed3<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"QUAN_LY_DINH_DUONG_MOI_TRUONG_NUOC\"><\/span>QU\u1ea2N L\u00dd DINH D\u01af\u1ee0NG &amp; M\u00d4I TR\u01af\u1edcNG N\u01af\u1edaC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u0110i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng th\u1ee9c \u0103n<\/strong><\/p>\n<ul>\n<li>C\u00e1 koi \u0103n h\u1ebft trong 3\u20135 ph\u00fat \u2192 \u0111\u00fang kh\u1ea9u ph\u1ea7n<\/li>\n<li>Th\u1ee9c \u0103n th\u1eeba = ngu\u1ed3n \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 l\u1edbn nh\u1ea5t<\/li>\n<li>\u01afu ti\u00ean th\u1ee9c \u0103n ch\u00ecm, \u00edt b\u1ee5i, gi\u00e0u probiotic<\/li>\n<\/ul>\n<p><strong>H\u00fat c\u1eb7n \u0111\u00e1y h\u1ed3 \u0111\u1ecbnh k\u1ef3<\/strong><\/p>\n<ul>\n<li>C\u1eb7n = ph\u00e2n c\u00e1 + th\u1ee9c \u0103n + x\u00e1c t\u1ea3o<\/li>\n<li>H\u00fat c\u1eb7n 3\u20137 ng\u00e0y\/l\u1ea7n t\u00f9y m\u1eadt \u0111\u1ed9 c\u00e1<\/li>\n<li>C\u00f3 th\u1ec3 l\u1eafp van x\u1ea3 \u0111\u00e1y t\u1ef1 \u0111\u1ed9ng (\u0111\u00fang chu\u1ea9n tr\u1ea1i koi Nh\u1eadt)<\/li>\n<\/ul>\n<p><strong>Tr\u1ed3ng c\u00e2y th\u1ee7y sinh l\u1ecdc n\u01b0\u1edbc t\u1ef1 nhi\u00ean<\/strong><\/p>\n<p>C\u00e2y ph\u00f9 h\u1ee3p h\u1ed3 koi ngo\u00e0i tr\u1eddi: th\u1ee7y tr\u00fac, sen, s\u00fang, l\u1ee5c b\u00ecnh, rau m\u00e1 Nh\u1eadt\u2026<br \/>\n\u2192 H\u1ea5p th\u1ee5 NO3, c\u1ea1nh tranh dinh d\u01b0\u1ee1ng v\u1edbi t\u1ea3o<\/p>\n<p><strong>Ki\u1ec3m so\u00e1t \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi<\/strong><\/p>\n<ul>\n<li>N\u1eafng tr\u1ef1c ti\u1ebfp 6\u20138h\/ng\u00e0y = t\u1ea3o b\u00f9ng ph\u00e1t<\/li>\n<li>Gi\u1ea3i ph\u00e1p: pergola \u2013 l\u01b0\u1edbi lan \u2013 c\u00e2y b\u00f3ng m\u00e1t<\/li>\n<\/ul>\n<p><strong>Nu\u00f4i th\u00eam c\u00e1 d\u1ecdn b\u1ec3<\/strong><\/p>\n<ul>\n<li>C\u00e1 lau ki\u1ebfng, t\u1ef3 b\u00e0, ch\u1ea1ch l\u1ea5u\u2026 gi\u00fap l\u00e0m s\u1ea1ch r\u00eau b\u00e1m<\/li>\n<li>Kh\u00f4ng \u1ea3nh h\u01b0\u1edfng koi \u2013 kh\u00f4ng c\u1ea1nh tranh th\u1ee9c \u0103n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"SU_DUNG_CHE_PHAM_SINH_HOC_KHONG_DUNG_HOA_CHAT_DIET_TAO\"><\/span>S\u1eec D\u1ee4NG CH\u1ebe PH\u1ea8M SINH H\u1eccC (KH\u00d4NG D\u00d9NG H\u00d3A CH\u1ea4T DI\u1ec6T T\u1ea2O)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>B\u1ed5 sung men vi sinh \u0111\u1ecbnh k\u1ef3<\/strong><\/p>\n<p>C\u00e1c lo\u1ea1i vi sinh ph\u1ed5 bi\u1ebfn &amp; hi\u1ec7u qu\u1ea3:<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>T\u00ean s\u1ea3n ph\u1ea9m<\/strong><\/td>\n<td><strong>C\u00f4ng d\u1ee5ng<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Extra Bio<\/td>\n<td>\u1ed4n \u0111\u1ecbnh n\u01b0\u1edbc nhanh, t\u0103ng vi sinh n\u1ec1n<\/td>\n<\/tr>\n<tr>\n<td>PSB (Photosynthetic Bacteria)<\/td>\n<td>Gi\u1ea3m \u0111\u1ed9c NH3, t\u0103ng m\u00e0u c\u00e1<\/td>\n<\/tr>\n<tr>\n<td>EMKOI<\/td>\n<td>Ph\u00e2n h\u1ee7y h\u1eefu c\u01a1 m\u1ea1nh<\/td>\n<\/tr>\n<tr>\n<td>EcoClean<\/td>\n<td>Chuy\u00ean x\u1eed l\u00fd h\u1ed3 ngo\u00e0i tr\u1eddi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Ch\u1ebf ph\u1ea9m ph\u00e2n h\u1ee7y c\u1eb7n h\u1eefu c\u01a1<\/strong><\/p>\n<ul>\n<li>Compozyme \/ Biozyme \/ Bioclean<\/li>\n<li>T\u00e1c d\u1ee5ng: \u0103n m\u00f2n ph\u00e2n c\u00e1, th\u1ee9c \u0103n th\u1eeba, m\u00e0ng nh\u1edbt<\/li>\n<\/ul>\n<p>Ch\u00fa \u00fd: Vi sinh kh\u00f4ng trong n\u01b0\u1edbc ngay l\u1eadp t\u1ee9c \u2192 nh\u01b0ng trong b\u1ec1n, t\u1ef1 c\u00e2n b\u1eb1ng.<\/p>\n<p>Xem th\u00eam: <a href=\"https:\/\/hokoidep.com.vn\/danh-muc-san-pham\/men-vi-sinh-cho-ca-koi\/\">Men vi sinh cho c\u00e1 koi<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"QUY_TRINH_XU_LY_NUOC_DUC_THEO_TUNG_TRUONG_HOP\"><\/span>QUY TR\u00ccNH X\u1eec L\u00dd N\u01af\u1edaC \u0110\u1ee4C THEO T\u1eeaNG TR\u01af\u1edcNG H\u1ee2P<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<td><strong>T\u00ecnh tr\u1ea1ng<\/strong><\/td>\n<td><strong>C\u00e1ch x\u1eed l\u00fd chuy\u00ean gia<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u01b0\u1edbc \u0111\u1ee5c s\u1eefa sau thay n\u01b0\u1edbc<\/td>\n<td>B\u1ed5 sung vi sinh + t\u1eaft UV 48h<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc xanh r\u00eau<\/td>\n<td>B\u1eadt UV + che n\u1eafng + gi\u1ea3m th\u1ee9c \u0103n<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc v\u00e0ng n\u00e2u<\/td>\n<td>H\u00fat c\u1eb7n + thay 15% n\u01b0\u1edbc + than ho\u1ea1t t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc trong nh\u01b0ng c\u00f3 m\u00f9i<\/td>\n<td>Ki\u1ec3m tra l\u1ecdc, t\u0103ng s\u1ee5c kh\u00ed, b\u1ed5 sung PSB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"BANG_THONG_SO_NUOC_LY_TUONG_CHO_HO_KOI_NGOAI_TROI\"><\/span>B\u1ea2NG TH\u00d4NG S\u1ed0 N\u01af\u1edaC L\u00dd T\u01af\u1edeNG CHO H\u1ed2 KOI NGO\u00c0I TR\u1edcI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<td><strong>Ch\u1ec9 s\u1ed1<\/strong><\/td>\n<td><strong>Gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>pH<\/td>\n<td>7.0 \u2013 7.5<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>24 \u2013 30\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Oxy h\u00f2a tan (DO)<\/td>\n<td>\u2265 6 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>NH3<\/td>\n<td>0 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>NO2<\/td>\n<td>&lt; 0.2 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>NO3<\/td>\n<td>&lt; 50 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>GH<\/td>\n<td>6 \u2013 11 dGH<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>100 \u2013 250 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"CAC_CONG_VIEC_BAO_TRI_HO_KOI_GIU_NUOC_LUON_TRONG\"><\/span>C\u00c1C C\u00d4NG VI\u1ec6C B\u1ea2O TR\u00cc H\u1ed2 KOI GI\u1eee N\u01af\u1edaC LU\u00d4N TRONG<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"195\">H\u00e0ng ng\u00e0y<\/td>\n<td width=\"195\">H\u00e0ng tu\u1ea7n<\/td>\n<td width=\"195\">H\u00e0ng th\u00e1ng<\/td>\n<td width=\"195\">2 \u2013 3 th\u00e1ng\/l\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td width=\"195\">+ Quan s\u00e1t c\u00e1 \u0103n &amp; t\u1ed1c \u0111\u1ed9 b\u01a1i<\/p>\n<p>+ Ki\u1ec3m tra m\u1eb7t h\u1ed3, b\u1ed5 sung oxy n\u1ebfu c\u00e1 n\u1ed5i \u0111\u1ea7u<\/td>\n<td width=\"195\">+ H\u00fat c\u1eb7n \u0111\u00e1y<\/p>\n<p>+ Thay 10\u201320% n\u01b0\u1edbc<\/p>\n<p>+ B\u1ed5 sung vi sinh<\/p>\n<p>&nbsp;<\/td>\n<td width=\"195\">+ X\u1ea3 l\u1ecdc c\u01a1<\/p>\n<p>+ V\u1ec7 sinh J-Mat n\u1ebfu b\u00e1m d\u01a1<\/td>\n<td width=\"195\">V\u1ec7 sinh \u0111\u00e8n UV, \u0111\u01b0\u1eddng \u1ed1ng, m\u1eb7t k\u00ednh quan s\u00e1t<\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"SAI_LAM_THUONG_GAP_KHI_XU_LY_NUOC_HO_KOI\"><\/span>SAI L\u1ea6M TH\u01af\u1edcNG G\u1eb6P KHI X\u1eec L\u00dd N\u01af\u1edaC H\u1ed2 KOI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<td><strong>Sai l\u1ea7m<\/strong><\/td>\n<td><strong>H\u1eadu qu\u1ea3<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thay n\u01b0\u1edbc 100%<\/td>\n<td>S\u1ed1c n\u01b0\u1edbc, c\u00e1 ch\u1ebft h\u00e0ng lo\u1ea1t<\/td>\n<\/tr>\n<tr>\n<td>R\u1eeda l\u1ecdc b\u1eb1ng n\u01b0\u1edbc m\u00e1y<\/td>\n<td>M\u1ea5t to\u00e0n b\u1ed9 vi sinh<\/td>\n<\/tr>\n<tr>\n<td>D\u00f9ng h\u00f3a ch\u1ea5t di\u1ec7t t\u1ea3o<\/td>\n<td>N\u01b0\u1edbc trong nhanh \u2013 sau \u0111\u00f3 \u00f4 nhi\u1ec5m n\u1eb7ng h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>L\u1eafp l\u1ecdc nh\u1ecf h\u01a1n c\u00f4ng su\u1ea5t<\/td>\n<td>Kh\u00f4ng bao gi\u1edd gi\u1eef n\u01b0\u1edbc trong l\u00e2u d\u00e0i<\/td>\n<\/tr>\n<tr>\n<td>Cho c\u00e1 \u0103n theo c\u1ea3m x\u00fac<\/td>\n<td>Th\u1ee9c \u0103n th\u1eeba \u2192 n\u01b0\u1edbc h\u00f4i, \u0111\u1ee5c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"TOM_LAI\"><\/span>T\u00d3M L\u1ea0I<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u201cN\u01b0\u1edbc trong kh\u00f4ng ph\u1ea3i do may m\u1eafn, m\u00e0 l\u00e0 thi c\u00f4ng \u0111\u00fang chu\u1ea9n k\u1ef9 thu\u1eadt.\u201d M\u1ed9t h\u1ed3 koi ngo\u00e0i tr\u1eddi lu\u00f4n trong, s\u1ea1ch, \u1ed5n \u0111\u1ecbnh c\u1ea7n \u0111\u00e1p \u1ee9ng <strong>3 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i<\/strong>:<\/p>\n<ol>\n<li><strong>H\u1ec7 l\u1ecdc \u0111\u1ee7 c\u00f4ng su\u1ea5t<\/strong><\/li>\n<li><strong>Vi sinh kh\u1ecfe \u2013 h\u1ec7 vi sinh \u0111\u01b0\u1ee3c duy tr\u00ec li\u00ean t\u1ee5c<\/strong><\/li>\n<li><strong>Quy tr\u00ecnh b\u1ea3o tr\u00ec \u0111\u00fang, kh\u00f4ng l\u00e0m m\u1ea5t c\u00e2n b\u1eb1ng sinh h\u1ecdc<\/strong><\/li>\n<\/ol>\n<p>Mu\u1ed1n nu\u00f4i c\u00e1 koi l\u00e2u d\u00e0i, h\u00e3y thay \u0111\u1ed5i t\u01b0 duy:<\/p>\n<p>\u274c Kh\u00f4ng: Thay n\u01b0\u1edbc li\u00ean t\u1ee5c v\u00e0 thay h\u1ebf n\u01b0\u1edbc trong h\u1ed3 hay d\u00f9ng h\u00f3a ch\u1ea5t, x\u1eed l\u00fd t\u1ea1m th\u1eddi<br \/>\n\u2705 \u0110\u00fang: X\u00e2y h\u1ed3 chu\u1ea9n k\u1ef9 thu\u1eadt \u2013 hi\u1ec3u h\u1ec7 sinh th\u00e1i \u2013 v\u1eadn h\u00e0nh \u0111\u00fang quy tr\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea0I SAO PH\u1ea2I L\u00c0M TRONG N\u01af\u1edaC H\u1ed2 C\u00c1 KOI NGO\u00c0I TR\u1edcI? N\u01b0\u1edbc l\u00e0 \u201ch\u1ec7 h\u00f4 h\u1ea5p th\u1ee9 hai\u201d c\u1ee7a c\u00e1 koi. C\u00e1 c\u00f3 th\u1ec3 s\u1ed1ng trong n\u01b0\u1edbc \u0111\u1ee5c, nh\u01b0ng kh\u00f4ng th\u1ec3 kh\u1ecfe m\u1ea1nh trong n\u01b0\u1edbc m\u1ea5t c\u00e2n b\u1eb1ng sinh h\u1ecdc. M\u1ed9t h\u1ed3 koi \u0111\u1eb9p kh\u00f4ng ch\u1ec9 \u1edf h\u00ecnh d\u00e1ng thi\u1ebft k\u1ebf hay gi\u00e1 tr\u1ecb \u0111\u00e0n.<\/p>\n","protected":false},"author":1,"featured_media":5951,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-5949","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ho-ca-koi"],"modified_by":"C\u1ea3nh Quan \u0110\u00f4ng Th\u1ecbnh","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v14.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1c c\u00e1ch l\u00e0m trong n\u01b0\u1edbc h\u1ed3 c\u00e1 koi ngo\u00e0i tr\u1eddi - \u0110\u00f4ng Th\u1ecbnh<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hokoidep.com.vn\/ho-ca-koi\/cac-cach-lam-trong-nuoc-ho-ca-koi-ngoai-troi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c c\u00e1ch l\u00e0m trong n\u01b0\u1edbc h\u1ed3 c\u00e1 koi ngo\u00e0i tr\u1eddi - \u0110\u00f4ng Th\u1ecbnh\" \/>\n<meta property=\"og:description\" content=\"T\u1ea0I SAO PH\u1ea2I L\u00c0M TRONG N\u01af\u1edaC H\u1ed2 C\u00c1 KOI NGO\u00c0I TR\u1edcI? 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