{"id":128919,"date":"2020-05-09T10:19:43","date_gmt":"2020-05-09T08:19:43","guid":{"rendered":"https:\/\/planted-box.com\/blog\/non-classifiee\/aquariumplanten-worden-zwart\/"},"modified":"2026-07-27T17:05:48","modified_gmt":"2026-07-27T15:05:48","slug":"plantes-aquarium-deviennent-noires","status":"publish","type":"post","link":"https:\/\/planted-box.com\/fr\/blog\/algues\/plantes-aquarium-deviennent-noires\/","title":{"rendered":"Mes plantes d&rsquo;aquarium deviennent noires, que faire ?"},"content":{"rendered":"<p>Vos plantes d&rsquo;aquarium deviennent noires ? \u00c7a peut arriver.<\/p>\n<p>Dans la plupart des cas, c&rsquo;est une <strong>vari\u00e9t\u00e9 d&rsquo;algues pinceaux qui reste petite et fait des petits points noirs<\/strong>. Apr\u00e8s un certain temps, toute la feuille est couverte de points noirs et on dirait que toute la plante est noire. Affleurez la partie noire avec votre doigt : vous sentirez que c&rsquo;est rugueux.<\/p>\n<p>Dans cet article, je vous explique comment r\u00e9soudre ce probl\u00e8me. Au fait, regardez aussi mes articles sur les plantes d&rsquo;aquarium qui deviennent <a href=\"https:\/\/planted-box.com\/fr\/blog\/algues\/plantes-aquarium-deviennent-jaunes\/\">jaunes<\/a>, <a href=\"https:\/\/planted-box.com\/fr\/blog\/algues\/plantes-aquarium-brunissent-pourrissent\/\">brunes<\/a> ou <a href=\"https:\/\/planted-box.com\/fr\/blog\/algues\/plantes-aquarium-transparentes\/\">transparentes<\/a> !<\/p>\n<h2>Quelle est la cause des plantes d&rsquo;aquarium qui deviennent noires ?<\/h2>\n<p>Alors, comme dit plus haut, c&rsquo;est souvent une variante des algues pinceaux. Et les algues pinceaux ont des causes diverses :<\/p>\n<ul>\n<li>Une carence en CO2 : vous n&rsquo;ajoutez pas ou pas assez de CO2<\/li>\n<li>CO2 instable : pas assez de CO2, puis trop, puis vous le diminuez, etc<\/li>\n<li>Mauvaise <a href=\"https:\/\/planted-box.com\/fr\/blog\/demarrage-entretien\/brassage-circulation-eau-aquarium\/\">circulation de l&rsquo;eau<\/a> qui m\u00e8ne \u00e0 une mauvaise distribution du CO2 dans l&rsquo;aquarium<\/li>\n<li>&#8230;<\/li>\n<\/ul>\n<p>Je vous recommande de lire ma <a href=\"https:\/\/planted-box.com\/fr\/blog\/algues\/eliminer-algues-pinceaux-aquarium\/\">strat\u00e9gie d\u00e9taill\u00e9e contre les algues pinceaux<\/a>, qui vous aidera bien. Je vous donne ci-dessous le r\u00e9sum\u00e9 des \u00e9tapes qui vous permettront de lutter contre ces algues tenaces.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/planted-box.com\/fr\/outil-anti-algues\/\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-152491\" src=\"https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues.png\" alt=\"PlantedBox algues - outil anti-algues\" width=\"1180\" height=\"560\" srcset=\"https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues.png 1180w, https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues-300x142.png 300w, https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues-1024x486.png 1024w, https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues-768x364.png 768w, https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues-380x180.png 380w, https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues-470x223.png 470w, https:\/\/planted-box.com\/wp-content\/uploads\/2024\/12\/Banniere-algues-80x38.png 80w\" sizes=\"auto, (max-width: 1180px) 100vw, 1180px\" \/><\/a><\/p>\n<h2>Comment rem\u00e9dier aux plantes d&rsquo;aquarium qui deviennent noires ?<\/h2>\n<p>Il y a diverses fa\u00e7ons de faire :<\/p>\n<ol>\n<li>Ajoutez plus de CO2. <strong>Installez un <a href=\"https:\/\/planted-box.com\/fr\/product\/kit-co2-complet\/\">syst\u00e8me de CO2<\/a> <\/strong>si vous n&rsquo;en avez pas encore (c&rsquo;est le meilleur investissement pour un aquarium plant\u00e9 !) et augmentez le CO2 lentement, avec une petite \u00e9tape par semaine. Pendant ce temps, vous pouvez couper les feuilles tr\u00e8s attaqu\u00e9es, de nouvelles feuilles saines repousseront.<\/li>\n<li>Si vous ajoutez d\u00e9j\u00e0 du CO2 : faites en sorte qu&rsquo;il reste <strong>le plus stable possible<\/strong> ! D\u00e9marrez l&rsquo;ajout de CO2 une heure avant le d\u00e9but de l&rsquo;\u00e9clairage pour que le CO2 soit bien dissous dans l&rsquo;eau et disponible pour vos plantes au moment o\u00f9 la photosynth\u00e8se commence. Ne changez pas le d\u00e9bit de CO2 trop souvent, tenez-vous \u00e0 un changement par semaine et toujours par toutes petites \u00e9tapes<\/li>\n<li><strong>Baissez l&rsquo;\u00e9clairage<\/strong>. Un \u00e9clairage plus puissant signifie que les plantes poussent plus vite et demandent donc plus d&rsquo;<a href=\"https:\/\/planted-box.com\/fr\/product\/all-in-one\/\">engrais pour plantes d&rsquo;aquarium<\/a>. Si votre \u00e9clairage \u00e9tait trop fort, vous avez sans doute cr\u00e9\u00e9 une plus forte demande \u00e0 laquelle vous ne pouvez pas r\u00e9pondre. La cons\u00e9quence, c&rsquo;est une carence en CO2 et donc des algues pinceaux ! Avec un \u00e9clairage plus faible, vous inversez la tendance<\/li>\n<li>Une <strong>combinaison<\/strong> des deux est tr\u00e8s efficace, c&rsquo;est ce que je recommande le plus \ud83d\ude42<\/li>\n<\/ol>\n<figure id=\"attachment_111164\" aria-describedby=\"caption-attachment-111164\" style=\"width: 583px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-111164\" src=\"https:\/\/planted-box.com\/wp-content\/uploads\/2020\/05\/aquariumplanten-worden-zwart.jpg\" alt=\"Plantes d'aquarium qui deviennent noires\" width=\"583\" height=\"328\" srcset=\"https:\/\/planted-box.com\/wp-content\/uploads\/2020\/05\/aquariumplanten-worden-zwart.jpg 1125w, https:\/\/planted-box.com\/wp-content\/uploads\/2020\/05\/aquariumplanten-worden-zwart-470x264.jpg 470w, https:\/\/planted-box.com\/wp-content\/uploads\/2020\/05\/aquariumplanten-worden-zwart-300x169.jpg 300w, https:\/\/planted-box.com\/wp-content\/uploads\/2020\/05\/aquariumplanten-worden-zwart-1024x576.jpg 1024w, https:\/\/planted-box.com\/wp-content\/uploads\/2020\/05\/aquariumplanten-worden-zwart-768x432.jpg 768w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/><figcaption id=\"caption-attachment-111164\" class=\"wp-caption-text\">Ces feuilles deviennent noires, mais il s&rsquo;agit donc d&rsquo;algues pinceaux. Source : The Planted Tank<\/figcaption><\/figure>\n<h2>Et si vous n&rsquo;avez pas de syst\u00e8me de CO2 ?<\/h2>\n<p>Vous n&rsquo;avez pas le budget pour un syst\u00e8me de CO2 ? Vous pouvez utiliser du carbone sous forme liquide, les algues pinceaux d\u00e9testent \u00e7a. Mais je reste d&rsquo;avis qu&rsquo;un bon kit CO2 est un must pour tout aquarium plant\u00e9 et que c&rsquo;est le meilleur investissement pour un aquarium plant\u00e9.<\/p>\n<p><strong>PS :<\/strong> vous allez toujours devoir couper manuellement les feuilles attaqu\u00e9es, car le noir ne part pas tout seul.<\/p>\n<p>Vous avez des questions ? N&rsquo;h\u00e9sitez pas \u00e0 les poser ci-dessous !<\/p>\n<div class=\"pb-gate pb-gate-callout\"><div class=\"pb-photo pb-photo-sm\" role=\"img\" aria-label=\"Aquarium plant\u00e9\"><\/div><div><span class=\"pb-badge\">Cours gratuit \u00b7 7 le\u00e7ons<\/span><h3>Vos plantes stagnent&nbsp;? Trouvez la vraie cause<\/h3><p class=\"pb-intro\">Une le\u00e7on \u00e0 la fois, vous traitez la cause plut\u00f4t que les sympt\u00f4mes.<\/p><ul class=\"pb-checks\"><li><span class=\"pb-check\"><svg viewBox=\"0 0 12 12\" fill=\"none\"><path d=\"M2 6.5 L4.8 9 L10 3.2\" stroke=\"#fff\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span>Trouver ce qui bloque vraiment votre croissance<\/li><li><span class=\"pb-check\"><svg viewBox=\"0 0 12 12\" fill=\"none\"><path d=\"M2 6.5 L4.8 9 L10 3.2\" stroke=\"#fff\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span>Agir dans le bon ordre, pas au hasard<\/li><li><span class=\"pb-check\"><svg viewBox=\"0 0 12 12\" fill=\"none\"><path d=\"M2 6.5 L4.8 9 L10 3.2\" stroke=\"#fff\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span>Moins d'algues<\/li><li><span class=\"pb-check\"><svg viewBox=\"0 0 12 12\" fill=\"none\"><path d=\"M2 6.5 L4.8 9 L10 3.2\" stroke=\"#fff\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span>Des plantes en pleine sant\u00e9<\/li><\/ul><p class=\"pb-method\">La m\u00e9thode&nbsp;: ma Pyramide de Croissance, brique par brique.<\/p><span class=\"pb-chip-pdf\">+ offert : carnet de diagnostic gratuit (PDF)<\/span><div class=\"pb-form-row pb-form-inline\"><script>\nvar gform;gform||(document.addEventListener(\"gform_main_scripts_loaded\",function(){gform.scriptsLoaded=!0}),document.addEventListener(\"gform\/theme\/scripts_loaded\",function(){gform.themeScriptsLoaded=!0}),window.addEventListener(\"DOMContentLoaded\",function(){gform.domLoaded=!0}),gform={domLoaded:!1,scriptsLoaded:!1,themeScriptsLoaded:!1,isFormEditor:()=>\"function\"==typeof InitializeEditor,callIfLoaded:function(o){return!(!gform.domLoaded||!gform.scriptsLoaded||!gform.themeScriptsLoaded&&!gform.isFormEditor()||(gform.isFormEditor()&&console.warn(\"The use of gform.initializeOnLoaded() is deprecated 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D\u00e9sinscription en un clic, jamais de spam.<\/p><p class=\"pb-micro\">En vous inscrivant, vous acceptez de recevoir le cours par e-mail. <a href=\"https:\/\/planted-box.com\/fr\/vie-privee-eu\/\" target=\"_blank\" rel=\"noopener\">Plus de d\u00e9tails<\/a>.<\/p><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Vos plantes d&rsquo;aquarium deviennent noires ? \u00c7a peut arriver. Dans la plupart des cas, c&rsquo;est une vari\u00e9t\u00e9 d&rsquo;algues pinceaux qui reste petite et fait des petits points noirs. 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