Grow Tent Growing

  • Powdery Mildew - Definitive Guide To Prevention And Treatment

    One morning you step into your grow room to check your plants, and you notice something alarming.

    Seemingly overnight, little white splotches have appeared on the leaves of one of your plants. You have found a case of powdery mildew, which is one of the most common fungal infections growers will experience.

    If you are combating powdery mildew currently, don’t worry. We will explain how to eradicate it easily. But first, let’s discuss it in more detail, and explain how you can take steps to prevent it from infecting your plants in the first place.

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  • How To Set Up A Grow Tent Ventilation System

    I remember my first time setting up a grow tent and I took one look at a ventilation diagram. My heart sunk, my head hurt, and I felt incapable of setting up a ventilation system.

    Guess what? It’s super easy — it just looks way more complex than it is. Honestly, I felt a bit dumb after it took me less than 5 minutes to set it all up.

    Great ventilation does five vital things that are crucial to growing healthy plants.


    1. Lowers temperature — Removes the build up heat from your lights.
    2. Lowers humidity — Removes the moisture your plants and grow media produce.
    3. Provides fresh air (CO2) — Plants use CO2 for energy during photosynthesis.
    4. Creates air circulation — Prevents pests, mold, etc. from resting on the plants.
    5. Moves air through the plants — This creates stronger stems for bearing the weight of heavy fruits and flowers.


    Passive or Active Air Flow

    There are two main types of ventilation systems you can set up in your grow tent: Passive Intake vs. Active Intake.

    For the majority of grow tent growers, a passive intake system works perfectly.

    Passive intake works by placing an inline fan at the top of your tent. The inline or exhaust fan will suck the air out of your tent creating a vacuum that pulls in fresh air from the intake ports at the bottom of your tent.

    It’s the same principle as sucking air through a straw. As long as you have negative pressure inside the tent you will have a passive system — negative pressure means your grow tent has less air pressure in it than the environment it’s sitting in. Continue reading

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  • How to handle excessive heat in your grow tent

    Not too hot and not too cold; many of the plants we grow are just like us and prefer similar temperatures — between 65 to 85 degrees Fahrenheit.

    Also, like us, they hate extreme temperatures changes. Plants will temporarily stress out when adjusting to them.

    Controlling temperatures is one of the single most important aspects of growing. If you fail to do so, you will wreck your plants nutrient uptake and weaken them to diseases before they eventually die. How about I show you how to avoid this?

    Let's take a look at some common grow tent heat problems, and how to remove this heat from your grow tent or grow room.

    Never Grow Without A Thermometer / Hygrometer

    A thermometer and hygrometer are essential to every indoor garden. Locking your plants into their preferred temperature and humidity ranges is crucial for nutrient uptake.

    If your vapor pressure deficit (VPD) is off (air temp + leaf temp + relative humidity), then your plants will either drink and uptake too much or not enough nutrients. It’s common to see calcium deficiencies because transpiration is largely affected.

    If this happens, you can use a cal-mag supplement. But you will need to address the root cause eventually as well.

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  • Why Grow In A Grow Tent

    When todays hobby grower decides to embark on their growing journey there are numerous choices they are faced with. From equipment to set up and placement of the garden the possibilities may seem endless. Once the choice has been made to grow indoors, whether that be a desire for a year round garden or discretion, one must decide between purchasing a predesigned grow tent or performing an overhaul on a room to fit their needs.

    For most hobby growers the overhaul of an entire room in their house is not practical and would be a daunting, expensive, and sometimes unnecessary project. Here are the top 5 reasons our customers choose a grow tent for their indoor grow.

    Grow Tents Give You Total Control of the Growing Environment

    Grow tents are enclosed spaces that are designed specifically for growing. With the correct combination of lighting, ventilation, air circulation, temperature, humidity and watering you can have total control over your growing area. With a little bit of fine tuning, you can set yourself up for a bountiful and successful grow. Continue reading

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  • Grow Lights for Grow Tent Kits

    The main factor you will be shopping by when picking out a grow tent is the lighting system you will be using.

    Choosing a grow light for your grow tent kit is easy!

    Take away the stress, leave the headache for another day, and set yourself up for gardening success with our complete grow tent kits.

    All of our grow tent packages include grow tents, grow lights, ventilation, and more. That’s right, our grow tents come with lighting packages that not only come with your choice of grow light - HID, CMH, LED, and Fluorescent - but come with every component you need to get them up and running.

    Our grow tent packages are designed so you can make one purchase and have everything you need to go grow from seed to harvest. Our tents come in sizes that will comfortably fit in your closet, all the way up to ones that fill your garage.

    Whether you’re a new gardener that’s looking to start your first grow or a pro that’s looking for a change, at Hydrobuilder we’ve got you covered. Continue reading

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  • Grow Room Odor Control

    When we start getting into the areas of grow room odor causes and control there are a lot of factors that enter this. What you’re using in the nutrient solution, grow room maintenance and disinfection and even what type of grow you have.

    This all plays a role in what is producing odors.

    For the most part, grow room odors are more of an inconvenience and annoyance than anything, but if you’re pesticide intensive or using certain disinfectants than these odors are a warning sign of a toxic fume.

    We all know of the potential dangers of pesticides, but you also must remember that bleach and ammonia cleaners produce toxic fumes, as well. Keeping this in mind, you don’t want to solely rely on air deodorizer as a means of odor control. These do nothing to reduce toxic fumes and merely cover up foul odors with a pleasant smell.

    What you really want is odor control that filters and removes fumes and odors from the grow room.

    All odor control should really work with an excellent ventilation system with preferably an inline fan and exhaust ductwork to the outside. This plays a vital role in not just eliminating odors but also creating a much healthier work environment by providing adequate fresh air.

    Your best bet is an odor filtration system that works in harmony with a ventilation fan. There are three basic types of effective filtration.

    • Carbon exhaust filter
    • Intake filter
    • Ozone generators

    Most people are somewhat familiar with the carbon exhaust filter which draws air through activated carbon as a means of filtration. This is a proven method of filtration that is time-honored and reliable.

    The carbon exhaust filters are no exception.

    There are several types of carbon filters that can all be counted on to do a reliable job.

    • Standard carbon filter
    • Reversed carbon filter
    • Charcoal based carbon filter

    Intake filters use a mechanical filter to remove odors that also work quite well and have a removable, replaceable filter.

    When bugs or dust are also a concern there is a washable bug shield that works great in conjunction with a filter which catches insects, mildew or mold. There is also the option of a reusable foam filter designed to filter out bugs, dust and even bacteria out of indoor grow rooms.

    These are a great aid in helping prevent costly outbreaks of pathogen borne infections.

    Ozone generators are great for eliminating odors and mold where permissible.

    The commercial grade ozone generators are excellent for the large-scale operation with large areas to treat. These machines generate ozone as an effective means of odor and complete environmental control.

    There is a drawback to ozone generators as some states do have restrictions in place so always check with your specific state regarding any applicable laws.

    The main takeaway with using odor control filter is that it is the most effective with a grow room ventilation system. You’re better served by planning a complete system from the beginning where all the components work in conjunction with each other.

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  • Choosing Your Grow Lights

    There are many lighting options available on and each offers unique benefits that can help you achieve your goals. Some factors that differ between the various types are: heat output, energy use, bulb or lamp life, price and the recommended height the light should be placed away from the plant canopy.

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  • Grow Tent Buying Guide

    There are many tent options available on and each offers unique benefits that can help you achieve your goals. Some factors that differ between the various types are: size, height, thickness, multi-chamber and weight limit. Learn how to select the perfect tent for your indoor garden.

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  • Daily, Weekly, and Monthly Grow Checklists

    Maintaining a checklist is a helpful tool in keeping track of what’s been done, what needs to be done, and techniques or products that may or may not have worked.

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  • Grow Tent Setup Guide

    Congratulations on buying your new grow tent! Now it's time to set it up and get started growing. We'll talk you through everything you need to know to get going fast.

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