{"id":431,"date":"2025-04-21T22:08:54","date_gmt":"2025-04-21T14:08:54","guid":{"rendered":"https:\/\/bfefishtank.com\/?p=431"},"modified":"2025-04-21T22:08:54","modified_gmt":"2025-04-21T14:08:54","slug":"how-many-fish-in-a-20-gallon-tank","status":"publish","type":"post","link":"https:\/\/bfefishtank.com\/vi\/how-many-fish-in-a-20-gallon-tank\/","title":{"rendered":"B\u1ec3 c\u00e1 20 gallon nu\u00f4i \u0111\u01b0\u1ee3c bao nhi\u00eau con c\u00e1"},"content":{"rendered":"

\u201c\u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t chi\u1ebfc h\u1ed9p th\u1ee7y tinh \u2014 m\u00e0 l\u00e0 c\u1ea3 m\u1ed9t th\u1ebf gi\u1edbi s\u1ed1ng \u0111\u1ed9ng v\u00e0 th\u1edf \u0111\u01b0\u1ee3c.\u201d\n\u0110\u00f3 l\u00e0 \u0111i\u1ec1u t\u00f4i lu\u00f4n n\u00f3i v\u1edbi kh\u00e1ch h\u00e0ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi h\u1ecd ch\u1ecdn b\u1ec3 c\u00e1 \u0111\u1ea7u ti\u00ean c\u1ee7a m\u00ecnh. Cu\u1ed9c tr\u00f2 chuy\u1ec7n th\u01b0\u1eddng xoay quanh k\u00edch th\u01b0\u1edbc b\u1ec3, c\u00e1c lo\u00e0i c\u00e1 v\u00e0 c\u00e1ch t\u1ea1o ra s\u1ef1 h\u00e0i h\u00f2a trong h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc n\u00e0y. H\u00f4m nay, t\u00f4i s\u1ebd chia s\u1ebb kinh nghi\u1ec7m c\u1ee7a m\u00ecnh \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn: C\u00f3 th\u1ec3 nu\u00f4i bao nhi\u00eau con c\u00e1 trong m\u1ed9t b\u1ec3 c\u00e1 20 gallon m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o an to\u00e0n?<\/p>\n

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Ph\u1ea7n 1: Nu\u00f4i c\u00e1 l\u00e0 m\u1ed9t ngh\u1ec7 thu\u1eadt, kh\u00f4ng ch\u1ec9 l\u00e0 to\u00e1n h\u1ecdc<\/strong><\/h3>\n

Nhi\u1ec1u ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u m\u1eafc c\u00f9ng m\u1ed9t sai l\u1ea7m: ngh\u0129 r\u1eb1ng b\u1ec3 c\u00e1 l\u1edbn h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi nu\u00f4i \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00e1 h\u01a1n. Nh\u01b0ng nu\u00f4i c\u00e1 kh\u00f4ng ch\u1ec9 l\u00e0 ph\u00e9p c\u1ed9ng \u0111\u01a1n gi\u1ea3n \u2014 m\u00e0 l\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng<\/strong>. C\u00e2n b\u1eb1ng n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc, lo\u00e0i v\u00e0 h\u00e0nh vi c\u1ee7a c\u00e1.<\/p>\n

B\u1ec3 c\u00e1 20 gallon (kho\u1ea3ng 76 l\u00edt) l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho gia \u0111\u00ecnh \u2014 \u0111\u1ee7 r\u1ed9ng nh\u01b0ng kh\u00f4ng qu\u00e1 l\u1edbn. V\u1eady nu\u00f4i \u0111\u01b0\u1ee3c bao nhi\u00eau c\u00e1? C\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a t\u00f4i l\u00e0: T\u00f9y tr\u01b0\u1eddng h\u1ee3p<\/em>. Kh\u00f4ng c\u00f3 quy t\u1eafc chung nh\u01b0 \u201c1 inch c\u00e1 cho m\u1ed7i gallon n\u01b0\u1edbc\u201d.<\/p>\n

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Ph\u1ea7n 2: C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u0111\u1ec3 t\u00ednh s\u1ed1 l\u01b0\u1ee3ng c\u00e1<\/strong><\/h3>\n

1\ufe0f\u20e3\u00a0K\u00edch th\u01b0\u1edbc c\u00e1<\/strong><\/p>\n

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    Nh\u1eefng lo\u00e0i c\u00e1 l\u1edbn nh\u01b0 c\u00e1 v\u00e0ng c\u1ea7n nhi\u1ec1u kh\u00f4ng gian h\u01a1n. \u0110\u1ed1i v\u1edbi c\u00e1 v\u00e0ng tr\u01b0\u1edfng th\u00e0nh, b\u1ec3 75 l\u00edt ch\u1ec9 ch\u1ee9a tho\u1ea3i m\u00e1i \u0111\u01b0\u1ee3c 2\u20133 con<\/strong>.<\/p>\n<\/li>\n

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    Small fish like guppies or danios, however, thrive in groups. A 20-gallon tank can hold\u00a010\u201315<\/strong>\u00a0of these active swimmers.<\/p>\n<\/li>\n<\/ul>\n

    2\ufe0f\u20e3\u00a0H\u00e0nh vi c\u1ee7a c\u00e1<\/strong><\/p>\n

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      C\u00e1 b\u01a1i theo \u0111\u00e0n (v\u00ed d\u1ee5: neon tetra) c\u1ea7n b\u1ea1n \u0111\u1ed3ng h\u00e0nh, trong khi c\u00e1 l\u00e3nh th\u1ed5 (v\u00ed d\u1ee5: c\u00e1 betta) c\u1ea7n kh\u00f4ng gian ri\u00eang.<\/p>\n<\/li>\n

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      C\u00e1c lo\u00e0i hung d\u1eef c\u00f3 th\u1ec3 c\u1ea7n nhi\u1ec1u kh\u00f4ng gian h\u01a1n \u0111\u1ec3 tr\u00e1nh \u0111\u00e1nh nhau.<\/p>\n<\/li>\n<\/ul>\n

      Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc & L\u1ecdc n\u01b0\u1edbc<\/p>\n

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        Nhi\u1ec1u c\u00e1 h\u01a1n = nhi\u1ec1u ch\u1ea5t th\u1ea3i h\u01a1n. B\u1ed9 l\u1ecdc m\u1ea1nh v\u00e0 thay n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean (25% m\u1ed7i tu\u1ea7n) l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c.<\/p>\n<\/li>\n

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        Qu\u00e1 nhi\u1ec1u c\u00e1 s\u1ebd l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 amoniac v\u00e0 nitrit, c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1 ch\u1ebft trong v\u00e0i gi\u1edd.<\/p>\n<\/li>\n<\/ul>\n

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        Ph\u1ea7n 3: Th\u1ea3m h\u1ecda \u0111\u1ea7u ti\u00ean c\u1ee7a t\u00f4i v\u1edbi b\u1ec3 c\u00e1 75 l\u00edt<\/strong><\/h3>\n

        Khi t\u00f4i m\u1edbi b\u1eaft \u0111\u1ea7u, t\u00f4i l\u00e0m theo quy t\u1eafc \"1 inch c\u00e1 tr\u00ean m\u1ed7i gallon n\u01b0\u1edbc\". B\u1ec3 c\u1ee7a t\u00f4i c\u00f3 15 con c\u00e1 nh\u1ecf \u2014 t\u01b0\u1edfng nh\u01b0 ho\u00e0n h\u1ea3o. Nh\u01b0ng ch\u1ec9 sau v\u00e0i th\u00e1ng, n\u01b0\u1edbc tr\u1edf n\u00ean \u0111\u1ee5c, c\u00e1 \u0111\u00e1nh nhau li\u00ean t\u1ee5c v\u00e0 m\u1ed9t v\u00e0i con \u0111\u00e3 ch\u1ebft.<\/p>\n

        T\u00f4i \u0111\u00e3 h\u1ecdc \u0111\u01b0\u1ee3c b\u00e0i h\u1ecdc m\u1ed9t c\u00e1ch kh\u00f3 kh\u0103n: Con s\u1ed1 kh\u00f4ng n\u00f3i l\u00ean t\u1ea5t c\u1ea3. Sau khi tham kh\u1ea3o \u00fd ki\u1ebfn chuy\u00ean gia, t\u00f4i n\u00e2ng c\u1ea5p b\u1ed9 l\u1ecdc, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng c\u00e1 v\u00e0 th\u00eam c\u00e2y th\u1ee7y sinh. K\u1ebft qu\u1ea3? C\u00e1 kh\u1ecfe m\u1ea1nh, n\u01b0\u1edbc trong v\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 hung h\u0103ng.<\/p>\n

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        Ph\u1ea7n 4: M\u1eb9o t\u1eeb chuy\u00ean gia \u0111\u1ec3 tr\u00e1nh nu\u00f4i qu\u00e1 nhi\u1ec1u c\u00e1<\/strong><\/h3>\n

        \ud83d\udeab\u00a0\u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o con s\u1ed1<\/strong>: T\u1eadp trung v\u00e0o kh\u00f4ng gian ch\u1ee9 kh\u00f4ng ch\u1ec9 th\u1ec3 t\u00edch b\u1ec3.
        \n\ud83d\udc1f\u00a0T\u00ecm hi\u1ec3u nhu c\u1ea7u c\u1ee7a c\u00e1<\/strong>: M\u1ed9t s\u1ed1 lo\u00e0i th\u00edch s\u1ed1ng theo \u0111\u00e0n, s\u1ed1 kh\u00e1c th\u00edch \u1edf m\u1ed9t m\u00ecnh.
        \n\ud83d\udd27\u00a0\u0110\u1ea7u t\u01b0 v\u00e0o thi\u1ebft b\u1ecb<\/strong>: B\u1ed9 l\u1ecdc v\u00e0 m\u00e1y s\u01b0\u1edfi ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 c\u1ea7n thi\u1ebft.
        \n\ud83d\udc40\u00a0Theo d\u00f5i d\u1ea5u hi\u1ec7u c\u0103ng th\u1eb3ng<\/strong>: V\u00e2y c\u1ee5p l\u1ea1i, ngoi l\u00ean m\u1eb7t n\u01b0\u1edbc, ho\u1eb7c tr\u1ed1n l\u00e0 d\u1ea5u hi\u1ec7u c\u00f3 v\u1ea5n \u0111\u1ec1.<\/p>\n

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        Ph\u1ea7n 5: C\u00e2u tr\u1ea3 l\u1eddi cu\u1ed1i c\u00f9ng<\/strong><\/h3>\n

        Kh\u00f4ng c\u00f3 con s\u1ed1 k\u1ef3 di\u1ec7u n\u00e0o cho b\u1ec3 c\u00e1 75 l\u00edt. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng s\u1ed1ng<\/strong> c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh li\u00ean t\u1ee5c. V\u00ed d\u1ee5:<\/p>\n

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          B\u1ec3 c\u00e1 th\u1ee7y sinh v\u1edbi c\u00e1 b\u1ea3y m\u00e0u v\u00e0 t\u00e9p: 18\u201320 con c\u00e1 nh\u1ecf.<\/p>\n<\/li>\n

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          B\u1ec3 c\u00e1 v\u00e0ng: Ch\u1ec9 nu\u00f4i 2\u20133 con c\u00e1.<\/p>\n<\/li>\n<\/ul>\n

          H\u00e3y nh\u1edb<\/strong>: M\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ea5p \u0111\u1ea7y b\u1ec3 c\u00e1\u2014m\u00e0 l\u00e0 t\u1ea1o ra m\u1ed9t h\u1ec7 sinh th\u00e1i ph\u00e1t tri\u1ec3n n\u01a1i m\u1ed7i con c\u00e1 c\u00f3 th\u1ec3 b\u01a1i, kh\u00e1m ph\u00e1 v\u00e0 nh\u1ea3y m\u00faa<\/em> trong n\u01b0\u1edbc. Nh\u01b0 t\u00f4i th\u01b0\u1eddng n\u00f3i: \u201cM\u1ed9t b\u1ec3 c\u00e1 h\u1ea1nh ph\u00fac l\u00e0 n\u01a1i c\u00e1 b\u01a1i l\u01b0\u1ee3n nh\u01b0 l\u1ee5a ch\u1ea3y, ch\u1ee9 kh\u00f4ng ph\u1ea3i nh\u01b0 xe va ch\u1ea1m.\u201d<\/em><\/p>\n

          H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1ecf, quan s\u00e1t k\u1ef9 l\u01b0\u1ee1ng v\u00e0 \u0111\u1ec3 thi\u00ean nhi\u00ean d\u1eabn l\u1ed1i cho b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"

          “This isn\u2019t just a glass box\u2014it\u2019s a living, breathing world.” That\u2019s what I always tell my customers, especially when they\u2019re choosing their first aquarium. The conversation often involves tank size, fish species, and how to create harmony in this underwater ecosystem. Today, I\u2019ll share my experience to answer a common question:\u00a0*How many fish can safely…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[61],"class_list":["post-431","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-how-many-fish-in-a-20-gallon-tank"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/posts\/431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/comments?post=431"}],"version-history":[{"count":1,"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/posts\/431\/revisions"}],"predecessor-version":[{"id":432,"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/posts\/431\/revisions\/432"}],"wp:attachment":[{"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/media?parent=431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/categories?post=431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bfefishtank.com\/vi\/wp-json\/wp\/v2\/tags?post=431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}