{"id":87402,"date":"2022-06-14T00:00:00","date_gmt":"2022-06-13T22:00:00","guid":{"rendered":"https:\/\/www.growbarato.net\/blog\/how-to-lower-humidity-in-a-grow-tent\/"},"modified":"2025-01-20T17:01:57","modified_gmt":"2025-01-20T16:01:57","slug":"how-to-lower-humidity-in-a-grow-tent","status":"publish","type":"post","link":"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/","title":{"rendered":"How to lower humidity in a grow tent"},"content":{"rendered":"\n<p>Indoor cultivation allows growers to modify all the <strong>necessary parameters<\/strong>. As a result, plants grow properly and provide a good quality yield. However, a calculation mistake or maintaining incorrect humidity levels for a long time can damage or even ruin the yield completely. Therefore, learning how to lower humidity in a grow tent and knowing the right parameters for every cultivation stage is very important.<\/p>\n\n\n\n<p>In order to adjust parameters correctly, growers must know how to lower relative humidity, as it is crucial for plants\u2019 transpiration, thermal regulation and to prevent fungi or <a href=\"https:\/\/www.gbthegreenbrand.com\/blog\/types-of-cannabis-plant-diseases\/\">other illnesses<\/a>.<\/p>\n\n\n\n<p>As the plant grows, it <strong>needs less humidity<\/strong>, thus, you\u2019ll need to lower humidity levels to promote proper plant development, which will also reduce the risk of fungi or rotting.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6a4fcdd6001c6\" class=\"ez-toc-cssicon-toggle-label\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Contenido<\/p>\n<span class=\"ez-toc-cssicon\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a4fcdd6001c6\"  \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#Humidity_levels_for_each_cultivation_stage\" >Humidity levels for each cultivation stage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#What_is_a_dehumidifier_How_does_it_work\" >What is a dehumidifier? How does it work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#The_best_dehumidifiers_to_lower_humidity_in_a_grow_tent\" >The best dehumidifiers to lower humidity in a grow tent<\/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:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#Cornwall_Electronics_dehumidifier\" >Cornwall Electronics dehumidifier<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#50LDay_Industrial_Dehumidifier\" >50L\/Day Industrial Dehumidifier<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#Semi-Industrial_Home_Dehumidifiers\" >Semi-Industrial Home Dehumidifiers<\/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:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#How_to_measure_relative_humidity\" >How to measure relative humidity<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#Digital_Max-Min_Sensor_Thermo-Hygrometer_with_probe\" >Digital Max-Min Sensor Thermo-Hygrometer with probe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/#Benetech_Digital-Manual_Thermo-Hygrometer\" >Benetech Digital-Manual Thermo-Hygrometer<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Humidity_levels_for_each_cultivation_stage\"><\/span>Humidity levels for each cultivation stage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Seedlings or rooted cuttings (65-75%):<\/strong> At this moment, plants need to develop and strengthen their roots, for which they need high humidity levels. This way, leaves absorb the water that goes to the roots and promotes their development.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Growth phase (50-65%): <\/strong>During this period, roots absorb the necessary water to distribute the nutrients and cool the plant off.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flowering period (40-50%):<\/strong> At this moment, the plant uses all of its energy to create flowers. Humidity is drastically reduced to prevent buds from suffering fungi or bacteria.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Humedad-y-Marihuana-1024x768.jpg.webp\" alt=\"lower humidity grow tent cannabis\" style=\"width:600px;height:450px\" title=\"lower humidity grow tent cannabis\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_dehumidifier_How_does_it_work\"><\/span>What is a dehumidifier? How does it work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Dehumidifiers <\/strong>are devices that absorb environmental humidity from the room where they are installed. Some of them have a deposit that stores the water that they absorb, and when it reaches its limit, it stops automatically. However, most of them include the option to connect them to a <strong>bigger deposit<\/strong> or straight into the sewer, which guarantees their constant functioning.<\/p>\n\n\n\n<p>There are other ways to lower humidity in a grow tent, although<strong> none of them are as precise<\/strong> as using a good quality dehumidifier:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increasing ventilation<\/li>\n\n\n\n<li>Renewing the air in the grow tent constantly<\/li>\n\n\n\n<li>Using refrigerated reflectors to control temperature precisely, which influences humidity directly.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Humedad-y-Cannabis-1024x768.jpg.webp\" alt=\"lower humidity grow tent\" title=\"lower humidity grow tent\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_best_dehumidifiers_to_lower_humidity_in_a_grow_tent\"><\/span>The best dehumidifiers to lower humidity in a grow tent<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cornwall_Electronics_dehumidifier\"><\/span>Cornwall Electronics dehumidifier<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.gbthegreenbrand.com\/humidity-and-temperature\/205-cornwall-electronics-dehumidifier-10-litres.html\">Cornwall Electronics dehumidifier<\/a> is perfect for grow tents. It has a 12 L extraction capacity and a 1.5 L deposit. It also features an outlet hole to attach a tube and drain the excess water straight into the sewer or into a larger tank, which will prevent it from stopping working once the main deposit is full.<\/p>\n\n\n\n<p>Consequently, this device guarantees<strong> proper humidity control<\/strong> in grow rooms of up to 20 square meters, greatly reducing the risk of fungi or mold. Perfect for difficult humid areas that are causing growers trouble.<\/p>\n\n\n\n<p>Characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Voltage\/Frequency: AC 220 V-240 V\/ 50 Hz<\/li>\n\n\n\n<li>Dehumidifier: (liters per day) 12 L<\/li>\n\n\n\n<li>Power consumption: 170 W<\/li>\n\n\n\n<li>Tank capacity: 1.5 L<\/li>\n\n\n\n<li>Weight: 10.5 kg<\/li>\n\n\n\n<li>Size: 290 x 170 x 512 mm<\/li>\n\n\n\n<li>Airflow: 448 m3\/h<\/li>\n\n\n\n<li>Coverage: 15-20 m2<\/li>\n\n\n\n<li>Drain outlet size: 9.5 mm<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Deshumidificador-Cornwall-Electronics.jpg.webp\" alt=\"cornwall electronics dehumidifier\" style=\"width:450px;height:450px\" title=\"cornwall electronics dehumidifier\"\/><\/figure>\n<\/div>\n\n\n<p><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"50LDay_Industrial_Dehumidifier\"><\/span>50L\/Day Industrial Dehumidifier<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The<a href=\"https:\/\/www.gbthegreenbrand.com\/humidity-and-temperature\/4283-50l-day-industrial-dehumidifier.html\"> industrial dehumidifier<\/a> is enough to <strong>prevent fungi in grow rooms <\/strong>of up to 120 square meters.<\/p>\n\n\n\n<p>Although the deposit capacity holds 5.5 L, it can also be installed straight into the sewer with an included tube. Otherwise, it will automatically turn off when full.<\/p>\n\n\n\n<p>Characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Voltage\/Frequency: 220-240V\/ 50Hz<\/li>\n\n\n\n<li>Dehumidifier: 50 L\/day (30 \u00baC, 80% RH)<\/li>\n\n\n\n<li>Power consumption: 710 W<\/li>\n\n\n\n<li>Rated current: 3.2A (30\u00baC, 80% RH)<\/li>\n\n\n\n<li>Water tank capacity: 5.5 L<\/li>\n\n\n\n<li>Net weight\/Gross weight: 36\/ 39.5 kg<\/li>\n\n\n\n<li>Size (width, length, height): 43 x 51.5 x 82.5 cm<\/li>\n\n\n\n<li>Airflow: 448 m3\/h<\/li>\n\n\n\n<li>Coverage: 80-120 m2<\/li>\n\n\n\n<li>Sound level: 60 dB(A)<\/li>\n\n\n\n<li>Refrigerating charge: R410A\/370 g<\/li>\n\n\n\n<li>Cable: 2.5 m<\/li>\n\n\n\n<li>Drainage tube included.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Deshumidificador-Industrial-50Lwebp.jpg.webp\" alt=\"50L\/Day Industrial Dehumidifier\" style=\"width:450px;height:450px\" title=\"50L\/Day Industrial Dehumidifier\"\/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Semi-Industrial_Home_Dehumidifiers\"><\/span>Semi-Industrial Home Dehumidifiers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>These <a href=\"https:\/\/www.gbthegreenbrand.com\/humidity-and-temperature\/2009-home-and-semi-industrial-dehumidifier.html\">dehumidifiers<\/a> are available in assorted models to suit different grow sizes. As the size of the device increases, so does the speed mode, the quality of the humidistat, the wattage or the deposit.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>16 L\/Day Dehumidifier: 1 fan speed, analog humidistat, 360 W, 37dB, 58 x 36 x 27 cm, 4 L tank. 10 m2.<\/li>\n\n\n\n<li>30 L\/Day Dehumidifier: 1 fan speed, analog humidistat, 500 W, 48dB, 80 x 38 x 32 cm, 6 L tank. 20 m2.<\/li>\n\n\n\n<li>50 L\/Day Dehumidifier: 2 fan speeds, screen humidistat, 1030 W, 55dB, 60 x 35 x 36 cm, 6.5 L tank. 40 m2.<\/li>\n\n\n\n<li>105 L\/Day Dehumidifier: 2 fan speeds, screen humidistat, 1160 W, 56dB, 99 x 54 x 41 cm, only usable with drain. 80 m2.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Deshumidificador-Domestico-Y-Semi-Industrial.jpg.webp\" alt=\"Semi-Industrial Home Dehumidifiers\" style=\"width:650px;height:650px\" title=\"Semi-Industrial Home Dehumidifiers\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_measure_relative_humidity\"><\/span>How to measure relative humidity<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Once you are aware of the parameters plants need to grow properly, you\u2019ll need a hygrometer to measure relative humidity inside the grow tent.<\/p>\n\n\n\n<p><strong>GB The Green Brand<\/strong> indeed features all sorts of thermo-hygrometers, to suit the different needs growers might have.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Digital_Max-Min_Sensor_Thermo-Hygrometer_with_probe\"><\/span>Digital Max-Min Sensor Thermo-Hygrometer with probe<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>This<a href=\"https:\/\/www.gbthegreenbrand.com\/soil-and-ambient-air\/133-digital-thermohygrometer-with-probe.html\"> digital thermo-hygrometer <\/a>is perfect to calculate temperature and relative humidity with great precision and in real time. With this device, you can also<strong> know other aspects of the grow<\/strong>, such as the perfect lamp height, thanks to its 1.5 m probe.<\/p>\n\n\n\n<p>Digital max-Min Sensor Thermo-hygrometer with probe Specifications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Measures from -30\u00b0C to 70\u00b0C.<\/li>\n\n\n\n<li>Measures from 25% to 90% of moisture.<\/li>\n\n\n\n<li>Works on 1.5 V batteries.<\/li>\n\n\n\n<li>Dimensions: 11 cm x 7 cm x 1.5 cm.<\/li>\n\n\n\n<li>Size of the screen: 3 cm x 4 cm<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Higrometro-Max-Min-Digital-con-Sonda.jpg.webp\" alt=\"higr\u00f3metro max min digital con sonda\"\/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benetech_Digital-Manual_Thermo-Hygrometer\"><\/span>Benetech Digital-Manual Thermo-Hygrometer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>This <a href=\"https:\/\/www.gbthegreenbrand.com\/soil-and-ambient-air\/2196-thermos-hygrometer-humidity-temperature.html\">thermo-hygrometer<\/a> measures temperature and relative humidity of the grow room with precision. To sum up, it is also silent and <strong>easy to transport<\/strong> thanks to its reduced size.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Benetech digital-manual thermo-hygrometer details:<\/li>\n\n\n\n<li>Temperature range: -10\u00baC to 50\u00baC<\/li>\n\n\n\n<li>Temperature precision: +\/-1\u00baC, 1.8\u00baF<\/li>\n\n\n\n<li>Humidity range: 5-98%<\/li>\n\n\n\n<li>Precise humidity: +\/-3% between 30-95% and +\/-5% between 10-30%<\/li>\n\n\n\n<li>Humidity Resolution: 0.1% Rh<\/li>\n\n\n\n<li>Readings: 2.5 times per second<\/li>\n\n\n\n<li>AA batteries not included.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2023\/03\/Higrometro-Manual.jpg.webp\" alt=\" lower humidity\" title=\"Benetech Digital-Manual Thermo-Hygrometer\"\/><\/figure>\n<\/div><div style='text-align:center' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"<p>Indoor cultivation allows growers to modify all the necessary parameters. As a result, plants grow properly and provide a good quality yield. However, a calculation mistake or maintaining incorrect humidity levels for a long time can damage or even ruin the yield completely. Therefore, learning how to lower humidity in a grow tent and knowing\u2026 <span class=\"leermas\" onclick=\"window.location.href='https:\/\/www.gbthegreenbrand.com\/blog\/how-to-lower-humidity-in-a-grow-tent\/'\">Continue reading<\/span ><\/p>\n","protected":false},"author":18,"featured_media":179193,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"categories":[253,256],"tags":[],"class_list":["post-87402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips-on-how-to-grow","category-marijuana-news"],"yasr_visitor_votes":{"stars_attributes":{"read_only":false,"span_bottom":false},"number_of_votes":1,"sum_votes":5},"_links":{"self":[{"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/posts\/87402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/comments?post=87402"}],"version-history":[{"count":12,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/posts\/87402\/revisions"}],"predecessor-version":[{"id":188822,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/posts\/87402\/revisions\/188822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/media\/179193"}],"wp:attachment":[{"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/media?parent=87402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/categories?post=87402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/tags?post=87402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}