{"id":86971,"date":"2022-11-09T10:00:00","date_gmt":"2022-11-09T09:00:00","guid":{"rendered":"https:\/\/www.growbarato.net\/blog\/indoor-growing-lightbulb-height\/"},"modified":"2024-07-30T11:26:53","modified_gmt":"2024-07-30T09:26:53","slug":"indoor-growing-lightbulb-height","status":"publish","type":"post","link":"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/","title":{"rendered":"What is the best height for grow lights?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Lighting plays an essential role when it comes to growing marijuana indoors, as it enables photosynthesis, thus<\/span><b> providing the necessary energy<\/b><span style=\"font-weight: 400;\"> for growth. To achieve this, a grow lamp or light source may be required for carrying out our indoor cultivation. However, it&#8217;s essential to know <\/span><b>how far should <\/b><a href=\"https:\/\/www.gbthegreenbrand.com\/130-led-lighting\"><b>grow lights<\/b><\/a><b> be.<\/b><\/p>\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-6a328ebf8cea4\" 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-6a328ebf8cea4\"  \/><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\/indoor-growing-lightbulb-height\/#How_far_should_grow_lights_be_indoors\" >How far should grow lights be indoors?<\/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\/indoor-growing-lightbulb-height\/#How_far_should_grow_lights_be\" >How far should grow lights be?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/#LED_grow_lights\" >LED grow lights<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/#HPS_or_MH_Equipment\" >HPS or MH Equipment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/#Advanced_recommendations\" >Advanced recommendations<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/#Cooltube\" >Cooltube<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/#Fans\" >Fans<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/#Staking\" >Staking<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"How_far_should_grow_lights_be_indoors\"><\/span>How far should grow lights be indoors?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The correct height for indoor light bulbs for many growers can be a bit of a head wrecker. Some people place the bulb <\/span><b>too close <\/b><span style=\"font-weight: 400;\">to their plants, which ends up being the worst thing that you can do, and they end up <\/span><b>burning their plants<\/b><span style=\"font-weight: 400;\"> rather than obtaining a plentiful harvest which is the result that we want.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The amount of light provided will influence the production and weight of the marijuana crop. <\/span><b>Power and proximity <\/b><span style=\"font-weight: 400;\">are two of the factors that have the most significant impact on these results.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Additionally, we must determine the type of grow lights we are going to use, whether it is:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">LEC Lighting.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">LED Panels.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High-Pressure Sodium (HPS) Lights; which require more distance when placed due to generating more heat.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The height of the bulb <\/span><b>depends on various things<\/b><span style=\"font-weight: 400;\">, due to the fact that there are different types of bulbs, different potency or<\/span><a href=\"https:\/\/www.gbthegreenbrand.com\/92-reflectors\"> <span style=\"font-weight: 400;\">grow light reflectors<\/span><\/a><span style=\"font-weight: 400;\"> which can take away the heat from the bulb, or ventilation systems that can considerably lower the temperature.\u00a0<\/span>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-131435 aligncenter\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2022\/05\/1.jpg\" alt=\"Grow Lights temperature\" width=\"1000\" height=\"450\" srcset=\"https:\/\/www.gbthegreenbrand.com\/blog\/wp-content\/uploads\/2022\/05\/1.jpg 1000w, https:\/\/www.gbthegreenbrand.com\/blog\/wp-content\/uploads\/2022\/05\/1-300x135.jpg 300w, https:\/\/www.gbthegreenbrand.com\/blog\/wp-content\/uploads\/2022\/05\/1-768x346.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">To determine the height at which to place the indoor grow light, you should consider the temperature, which should ideally be between 79 and 82 \u00baF (26-28 \u00baC). It&#8217;s advisable to measure this temperature by placing a <\/span><a href=\"https:\/\/www.gbthegreenbrand.com\/thermo-hygrometer\/134-max-min-digital-thermohygrometer.html\"><span style=\"font-weight: 400;\">thermohygrometer<\/span><\/a><span style=\"font-weight: 400;\"> on the wall of the grow tent.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_far_should_grow_lights_be\"><\/span>How far should grow lights be?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The installation of the grow lights, either closer or further, will depend on the <\/span><b>type of lighting<\/b> <b>being used<\/b><span style=\"font-weight: 400;\">. Some of the options include:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"LED_grow_lights\"><\/span>LED grow lights<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">LED lights are similar to low-energy bulbs but concentrate<\/span><b> much more light<\/b><span style=\"font-weight: 400;\"> and wattage in a reduced space, resulting in increased production. They emit slightly more heat as well; however, you can place fans that push the heat upwards so the extractors can absorb it, preventing it from directly affecting our plants. These lights can be somewhat expensive, but they have many hours of use, and they can be placed quite close to the plants. Remember that it is important to maintain a temperature of around<\/span><b> 77\u00b0F (25\u00b0C) at the top of the plants<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In many cases, you can calculate the height of the LED grow light by following the rule of 10 cm (4 inches) per 100 cm (39 inches) of plant height.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Growing<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Flowering<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">250 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">30-50 cm (12-20 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20-40 (8-16 inches)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">400 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50-70 cm (20-28 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">35-55 (14-22 inches)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">600 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">75-95 cm (30-37 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">45-75 (18-30 inches)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1000 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">90-115<\/span> <span style=\"font-weight: 400;\">cm (35-45 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">55-90 (22-35 inches)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"HPS_or_MH_Equipment\"><\/span>HPS or MH Equipment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Germination<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Growing<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Flowering<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">250 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50 cm (20 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25-50 cm (10-20 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">23-30 cm (9-12 inches)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">400 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">80 cm (32 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">40-60 cm (16-24 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">40-50 cm (16-20 inches)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">600 W<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100-120 cm (39-47 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">60-100<\/span> <span style=\"font-weight: 400;\">cm (24-39 inches)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50-70 cm (20-28 inches)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">In the case of <\/span><b>1000W grow lights<\/b><span style=\"font-weight: 400;\">, the optimal distance should be greater because they emit more heat, which can potentially damage the plants.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">[ppgbo products=&#8221;6885,5693,7144&#8243; language=&#8221;en&#8221;]<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Regardless of the bulb type and distance, it&#8217;s essential to <\/span><b>monitor the temperature<\/b><span style=\"font-weight: 400;\"> at the top of the plants to adjust it according to their needs.<\/span><\/p>\n<h4>How to adjust lights to the temperature in indoor cultivation<\/h4>\n<p><span style=\"font-weight: 400;\">To get a <\/span><b>correct reading<\/b><span style=\"font-weight: 400;\">, you must leave the thermohygrometer there for at least a half an hour to get an accurate reading of the temperature. It&#8217;s important to note that light can cause heating not only due to the power it consumes but also from the light that reflects off surfaces, known as <\/span><b>radiant heat<\/b><span style=\"font-weight: 400;\">. This is somewhat akin to the interaction between sunlight and skin.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advanced_recommendations\"><\/span>Advanced recommendations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">At present, there is a wide variety of grow lights and reflectors, as well as tools for controlling room temperature. Some options include:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-131425 aligncenter\" src=\"https:\/\/www.growbarato.net\/blog\/wp-content\/uploads\/2022\/05\/altura-focos-indoor.jpg\" alt=\"grow lights indoor\" width=\"1000\" height=\"450\" srcset=\"https:\/\/www.gbthegreenbrand.com\/blog\/wp-content\/uploads\/2022\/05\/altura-focos-indoor.jpg 1000w, https:\/\/www.gbthegreenbrand.com\/blog\/wp-content\/uploads\/2022\/05\/altura-focos-indoor-300x135.jpg 300w, https:\/\/www.gbthegreenbrand.com\/blog\/wp-content\/uploads\/2022\/05\/altura-focos-indoor-768x346.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cooltube\"><\/span>Cooltube<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">This is one of the most commonly used systems to better control the height of the grow light in relation to the plants. It consists of a glass tube that prevents the <\/span><b>heat generated by the bulb from reaching <\/b><span style=\"font-weight: 400;\">the tips of the plants. With these items, you can reduce the temperature by up to 5 degrees. This is possible due to the glass tube and the airflow passing through it.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fans\"><\/span>Fans<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Using a fan <\/span><b>helps plants breathe<\/b><span style=\"font-weight: 400;\"> by moving the air and cooling them. This dissipates the heat produced before it reaches the plant.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Staking\"><\/span>Staking<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Staking optimizes plant growth and prevents potential issues. This is a solution used<\/span><b> when it&#8217;s not possible to lower the temperature<\/b><span style=\"font-weight: 400;\">. By guiding the plants closest to the light source towards the sides, you can prevent direct exposure to the light source&#8217;s heat at the top.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Regardless of the type of grow light, bulb, or cooling system used, it&#8217;s essential to know the temperature to determine <\/span><b>how far should grow lights be<\/b><span style=\"font-weight: 400;\">. This way, you can provide the plants with the necessary lumens without temperature becoming an issue.<\/span><\/p>\n<div style='text-align:center' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"<p>Lighting plays an essential role when it comes to growing marijuana indoors, as it enables photosynthesis, thus providing the necessary energy for growth. To achieve this, a grow lamp or light source may be required for carrying out our indoor cultivation. However, it&#8217;s essential to know how far should grow lights be. How far should\u2026 <span class=\"leermas\" onclick=\"window.location.href='https:\/\/www.gbthegreenbrand.com\/blog\/indoor-growing-lightbulb-height\/'\">Continue reading<\/span ><\/p>\n","protected":false},"author":18,"featured_media":128342,"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":"BlogPosting","footnotes":""},"categories":[254],"tags":[],"class_list":["post-86971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marijuana-crops"],"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\/86971","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=86971"}],"version-history":[{"count":13,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/posts\/86971\/revisions"}],"predecessor-version":[{"id":173427,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/posts\/86971\/revisions\/173427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/media\/128342"}],"wp:attachment":[{"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/media?parent=86971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/categories?post=86971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbthegreenbrand.com\/blog\/wp-json\/wp\/v2\/tags?post=86971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}