[et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”2em||0px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_heading title=”Indoor Hydroponic Systems and Precision CO2 Control” _builder_version=”4.27.4″ _module_preset=”default” custom_css_free_form=”selector h1 {|| text-wrap: pretty;||}” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2025\/05\/indoor-hydroponic-farming.webp” alt=”Photo of an indoor hydroponic farming system” align=”center” force_fullwidth=”on” _builder_version=”4.27.5″ _module_preset=”default” custom_margin=”1.5rem||||false|false” hover_enabled=”0″ custom_css_free_form=”selector img {|| object-fit: cover;||}” global_colors_info=”{}” theme_builder_area=”post_content” module_id=”article-hero-image” sticky_enabled=”0″][\/et_pb_image][et_pb_divider color=”#2A3B47″ divider_weight=”2.5px” _builder_version=”4.27.4″ _module_preset=”default” height=”0px” custom_margin=”3rem||3rem||true|false” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||true|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” custom_css_free_form=”selector ul {|| margin-top: 1rem;||}” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n
Hydroponics has become one of the most significant innovations in modern agriculture. By eliminating soil and tightly controlling environmental conditions, growers can achieve faster growth rates, higher yields, and more efficient use of resources. The combination of automated nutrient delivery, artificial lighting, and precise gas control allows for year-round crop production in almost any location.<\/p>\n
[\/et_pb_text][et_pb_heading title=”Challenge” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h2″ global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_heading title=”The need for controlled and efficient indoor farming ” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h3″ global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”]To grow, plants need a combination of sufficient heat, sunlight, space, and 18 nutrients<\/a> derived from soil, air, and water. Hydroponics replaces those dependencies with nutrient solutions, controlled environments, and efficient space utilization. However, maintaining optimal conditions for plant growth, especially CO2<\/sub> is a constant challenge.<\/p>\n In enclosed systems, plants quickly consume available CO2<\/sub>, causing concentrations to drop below ambient levels. This slows photosynthesis and limits growth. Greenhouse research shows that enriching CO2<\/sub> concentrations from approximately 400 ppm to between 1,000 and 2,000 ppm can significantly increase crop productivity and quality (World Journal of Advanced Research and Reviews, 2024).<\/p>\n Growers and researchers therefore require instruments capable of maintaining precise, repeatable CO2<\/sub> levels in closed environments while minimizing waste.[\/et_pb_text][et_pb_heading title=”Options” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h2″ global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”]Several approaches are used to manage environmental conditions in hydroponic systems:<\/p>\n These methods work to varying degrees but often lack the precision required for research or high-value crop production. Without continuous measurement and regulation, CO2<\/sub> levels can fluctuate, creating inconsistent growth conditions and variable yields.[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n [\/et_pb_text][et_pb_heading title=”Mass flow control for precision gas delivery” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h3″ global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”]To study how precise gas control affects hydroponic plant growth, a university research team implemented several Alicat\u00ae<\/sup> Scientific\u2019s MC series<\/a> mass flow controllersa into their gas mixing system. Each controller regulated one gas line in the system: 5 SLPM of nitrogen, 5 SLPM of oxygen, and 10 SCCM of carbon dioxide.<\/p>\n Each gas served a defined function. Nitrogen<\/a> and oxygen<\/a> supported plant respiration and health, while carbon dioxide was metered at up to 10 SCCM to achieve controlled enrichment within the 1000 – 2000 ppm range, depending on total flow volume.<\/p>\n The MC-Series provided closed-loop precision, maintaining steady flow rates across all channels regardless of downstream pressure fluctuations. This ensured that plants received consistent environmental conditions across every trial.<\/p>\n For larger facilities or studies requiring more complex gas combinations, systems such as Alicat\u2019s FusionFlow\u2122 MXM gas blending system<\/a> can automate gas mixing tasks on up to ten channels simultaneously. The MXM\u2019s integrated scheduling and web-based control interface make it ideal for long-term hydroponic research, where environmental conditions need to shift automatically throughout growth cycles.[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”]The implementation of precise mass flow control allowed researchers to replicate repeated environmental conditions across multiple experiments. The system maintained precise CO2<\/sub> concentrations without overshoot, resulting in improved plant growth and measurable increases in key experiment variables.<\/p>\n Automated control reduced manual intervention, stabilized chamber conditions, and provided reliable data for evaluating how the plants responded to controlled gas enrichment.<\/p>\n Hydroponics continues to evolve as a cornerstone of sustainable agriculture, offering growers control over every aspect of plant development. Through precise gas delivery, systems powered make that control measurable, repeatable, and scalable\u2014paving the way for more efficient, sustainable food production in both research and commercial settings.[\/et_pb_text][et_pb_text module_class=”cta-link” _builder_version=”4.27.4″ _module_preset=”default” text_font=”|700|||||||” custom_margin=”||2rem||false|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”]Learn about optimizing indoor hydroponic farming by controlling CO2<\/sub> mass flow \n
Selection<\/h2>\n
Outcome<\/h2>\n