Contents

The Best Growing Fan of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Growing Fan of 2023. Check our ranking below.

2,500 Reviews Scanned

Rank No. #1

8 Inch Tent Poles Clip Fan, Grow Tent Fan with Strong Clamp, 3 Speeds 3 Grow Light Modes with Red Blue Spectrum, Monkey Fan for Indoor Hydroponic Plants

【Powerful & Quiet】Upgraded brushless motor and high-end aerodynamic blades enable the fan to deliver up to 11.8 ft./s strong yet quiet airflow. Equipped with 3 adjustable speeds, it provides adequate ventilation for house plants.
【LED Grow Light】Featuring 3 light modes (blue light, red light, and mixed light spectrum) and 4 brightness settings (25%, 50%, 75%, 100%) which can reach 820LM on the highest level, it offers the light conditions your plants need most in different stages, supplementing the lack of natural sunlight and promoting healthy growth of the plants.
【Strong Clamp】It comes with a heavy-duty clamp to bear the weight of the fan and withstand use for many times. With adjustable opening and non-slip silicone pads inside, the clamp can be fixed on tent poles 0.63 to 1.5 inch and keep the fan in place tightly. The upper of the joint between the fan head and the clamp can 180° pivot, while the lower can 360° rotate, so you can adjust the clamp for easy installation. Simple assembly will be needed before using.
【Auto-off Timers】It has 3 timers that you can set at 4H/8H/12H, so the fan and grow light could automatically turn off as the time is up, promising ample ventilation and light with unattended convenience.
【Safe & Easy to Use】The ventilation fan is powered by laptops, power banks, wall chargers, or any device with USB output port via the included type-C cord. And battery-free design ensures long and safety use. The fan head can 360° rotate vertically and horizontally that you can adjust the direction of airflow and light for aiming as the plant grows. Great for indoor gardening, flower show, family balcony seeding/breeding, potted plants, hydroponic plants, etc.

SaleRank No. #2

VIVOSUN AeroWave E6 Grow Tent Fan 6”, EC Motor, Smart Wifi Control, US Patented Auto Oscillating Clip fan, Weatherproof IP-54, Strong Airflow but Quiet for Hydroponic Ventilation Circulation

US Patented Square Design: This patented clamping fan can easily hold tight on round, square poles, and flat surfaces without slipping; Its clamp has a thick rubber pad to ensure it does not slip or scratch surfaces
Strong Airflow & Low Noise: At only 33 dB at its loudest, this grow fan is driven by a dual ball bearing EC motor which has an extended lifespan
Auto Oscillation: This clip-on fan supports 90° horizontal automatic oscillation with 80° manual vertical adjustment
Innovative Natural Wind Mode: Innovative design provides a natural wind mode that simulates the natural environment to reduce stress on plants for better growth
Adjustable Speeds: 5 levels normal constant air flow can be adjusted on the AeroWave and if you connect to VIVOSUN App, 10 levels of air flow can be adjusted accordingly

Rank No. #3

AC Infinity CLOUDRAY A6, Grow Tent Clip Fan 6” with 10-Speeds, EC-Motor, Weatherproof IP-44, Manual Swivel, Quiet Hydroponics Circulation Cooling

Designed with an EC-motor to provide precise air circulation for all stages of a plant's growth.
Digital 10 speeds, from gentle breezes for seedlings to a powerful airflow for flowering.
IP-44 rated specifically for the grow environment to be resistant to high humidity and heat.
Connects with smart controllers to access climate triggers, grow cycles, scheduling, and more.

SaleRank No. #4

blessny 6-Inch Grow Tent Fan Oscillating for Pole Mount 0.59-1 inch, 8 Ft Long Cord Small Clip-on Fan for Home Growing, 20W 2-Speeds 39dB Quiet with Heavy Duty Clamp(Upgrade Version)

FOR GROW TENT: Clip-on fan specialized design for grow tent pole 0.59 to 1 inch, easy to install. The Heavy-duty clip can grip the pole tightly, don’t slide down.Easy to clean, the fan cover and blades can be opened easily to clean it.
LONG TIME USE: This BLESSNY grow tent clip fan uses a upgrade 20W copper coil motor for long time durable use , low noise. ETL list standard 8 ft cord reduces safety hazards.
OSCILLATE FAN: 90° left to right Oscillating on/off perfect fit for grow tent corner. 2-Speeds Small fan, high or low mode airflow according to your growing requirement. Super quiet fan, The maximum noise output is just 40 dB.
WIDE ANGELS ADJUST: 120° vertical & 180° horizontal Angel adjustment, choose the angle just you want. 8 Ft (240cm) long cord for convenient use in grow tent.
UPGRADE VERSION: We upgrade fan oscillation function, use more sturdy inside oscillation component for long time oscillating use.

Rank No. #5

Fanspex 6-Inch Grow Tent Fan Oscillating Clip on for Hydroponic, 0.59''-1'' Pole Mount with 8.2 Ft Long Cord, 39dB Quiet Operation, 2-Speeds

7/24 Hours Long-time Use: This Fanspex grow tent clip on with a upgrade copper motor, up to use 24 hours per day, but we still suggest our customer not non-stop use it more than 18 hours per day for long-term durable use.
Clip Fan for Grow Tent: The fan with upgrade heavy duty clamp, it's is powerful enough to clip on the tent pole tightly, can fit tent pole from 0.59''-1.0'' size which fit for most grow tent.
High Velocity Fan: The fan is powerful enough for growing purpose, with 2-speeds knob control, low-speed 1500 RPM, high-speed 1800 RPM, choose the wind speed you want.
Better Oscillation Function: We know oscillating function is very important for our customer, so we upgrade the internal oscillating rotator for more stable oscillating function.
High Quality After-sales Service: No need worry if there any problems after buy our this fan, just contact us for the details problems, we will reply back in 24 hours for helping our customer solve it. Customer 100% satisfaction is very important for us.

Rank No. #6

iPower Silent Dual 120mm USB Fan with Speed Controller for Indoor Plant Stand Shelf Ventilation Circulate Air, Black

Multifunctional USB fan: can installed on a plant stand rack or plant shelf, keep your plants cool and circulate the air. Also perfect for receiver DVR playstation TV box computer cabinet cooling.
3 speed adjustable: features a multi-speed controller, you can adjust the fan speed easily, optimal it to suitable airflow levels. Maximum speed is 1500 RPM.
Low noise and dual ball bearing: each fan is engineered to be ultra quiet while delivering high airflow. Dual-ball bearings have a long lifespan.
Multiple protection: have metal grille on both sides, protect your hands and plants when the USB fan is working. Square design allows the fans to be laid flat or stand upright.
Dimensions: 4.72 x 4.72 x 1.77 inch, air flow: 50 CFM single fan, noise: 20 dB. No adapter included. 2 fans connect to one USB cable and work at the same time.

Rank No. #7

VIVOSUN AeroWave A6 Grow Tent Clip Fan, Patented Portable Auto Oscillating Fan 6” with 2-Speed, Strong Airflow but Low Noise, and Fully-Adjustable Tilt for Hydroponic Ventilation, White

Strong Airflow & Low Noise: At just 40 dB at its loudest, this fan runs ultra-quiet, and with an upgraded 20W copper motor still produces powerful airflow for coolness you can feel even from a distance
Patented Design: VIVOSUN patented clamping fan can easily hold tight on round, square poles, and flat surfaces; Its clamp has a thick rubber pad to ensure it does not slip or scratch surfaces
Adjustable Rotation: This clip-on fan supports 80° horizontal automatic and 120° vertical manual oscillation; You can also adjust the direction of the fan with a simple twist of the head
Easy to Operate and Easy to Clean: The fan runs at two speeds that adjust by turning the power switch clockwise; Its front grille is removable, making it easier to clean the fan blades
Multifunctional: Specially designed for use with VIVOSUN grow tents to provide a steady, refreshing airflow for all stages of your plant's growth; Perfect for use at home, in the office, on a desktop, camping or travelling

Rank No. #8

Bazooka Growers Oscillating 6 Inch Grow Tent Fan with Grip Clip Fits 0.5”-1.2” Grow Tent Poles with 2 Speeds and Oscillation Feature (Blue/White)

BUILT TO RUN 24/7: Upgraded fan motor, metal blade guard, extra length plug and cord over 8 feet long, a secure grip clip, and 6-inch triple spiral fan blades.
POWERFUL AIR CIRCULATION: Two fan speeds (high/low) and oscillating feature (on/off) provides superior ventilation in tight spaces which means less bugs & mold, consistent plant growth and happier plants!
GRIP CLIP FOR POLES: Simply and securely attach fan to grow tent poles with the rubber grip clip. Easily adjust placement on poles for different plants and all stages of plant growth. Universal fit for poles 0.5"-1.2" diameter. Great for corners and tight spaces.
OSCILLATING FEATURE: Turn oscillation on/off with the switch of a button. Automatic oscillation feature rotates 90 degrees for perfect placement in the corners of your grow tent.
FULLY ADJUSTABLE: Adjust airflow in any direction up/down or left/right. Direct airflow in a 120 degree vertical range and any direction left/right. 6-inch triple fan blades deliver optimal airflow.

Rank No. #9

Growbuds 6 Inch Oscillating Clip-On Fan For Grow Tents, Quiet Variable 2-Speed Settings, Humidity-Resistant Motor, Fully Adjustable Sturdy Clip

DESIGNED FOR ALL GROW TENTS: Specifically made to fit ALL grow tent pole sizes between 16mm to 22m, these fans won't slide down the pole.
AUTO-OSCILLATING: Triple 6.3 inch spiral fan blades are angled to deliver efficient airflow with high and low settings to keep your ladies fresh and comfortable.
QUIET, SECURE UNIT: Sturdy, lightweight mesh exterior protects the fan blades and the fan's surroundings from damage. High-quality components keep this fan running whisper-soft.
FULLY ADJUSTABLE: The grow tent fan is simply adjusted by a rod to direct airflow exactly where you need it. The Growbuds Oscillating Clip Fan has a flexible 90-degree horizontal range and 120-degree vertical range.
1-YEAR WARRANTY: The sturdy, compact fan for grow tent is ideal for circulating air in grow tents for even temperatures and improved ventilation.

Rank No. #10

iPower 4 Inch 195 CFM Duct Inline Ventilation Fan Air Circulation Vent Blower for Grow Tent, Greenhouses, Basements or Kitchens, Lite

Multifunction: Perfect for grow tents, greenhouses, hydroponics, kitchens, bathrooms, basements, locker rooms, garage to reduce humidity, clear the air and lower temperatures in grow rooms.
Mini Construction: Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won’t fit.
High Effective: Transfer air to your target location in a quick and reasonably quiet way, with a fan speed of 2500 RPM for an air flow of 195 CFM.
Low Noise Design: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB.
Easy to Install: Removable duct ends with locking tabs for easy removal and maintenance, 5.9 feet length power cord.

SaleRank No. #11

InfiniPower Clip Fan, 6-Inch Grow Tent Fan, Monkey Fan, Adjustable 90° Angles, 15W, 2-Speeds Control

【ANTI-SLIP TENT FAN】The built-in clamp is designed to fit grow tent pole sizes from 0.8 - 2 inches with a strong grip to ensure a secure vertical hold that will not slip or fall off the grow tent pole.
【ADJUSTABLE SPEED】The fan has 2 speed options, which can provide 2 optional strong air circulation for plant growth to meet different growth needs.
【POWERFUL FAN】 High quality motor, max wind speed 10.5ft/s, low noise, stepless speed regulation.
【OSCILLATE FAN】90° adjustable head tilt up and down, Can easily circulate air in the grow tent. So while you're sleeping soundly, your plants will get the air they need to thrive.
【MULTIPLE SCENARIOS】 The Monkey Fan can be put or clip on anywhere you want, great for home and office, laptop, gym, car backseat, outdoors, camping, trips and anywhere need cool wind.

Rank No. #12

Spider Farmer 6 Inch Inline Fan with Temperature Humidity Controller, Quiet Duct Fan Intake Fan for Grow TentRoom, Heating Cooling Duct Booster Fan for Growing and Planting with Led Grow Light

【QUIET & POWERFUL】Mixed flow design combined with a EC motor that powers high-quality impellers makes this fan truly energy efficient. With only 50 watts of power but gives a strong airflow up to 350 CFM, very low noise level, only produces 32DB, this exhaust fan is silent. Lightweight ABS blades reduce the airflow resistance, add airflow by 40%.
【BUILT TO LAST】Made of heavy-duty plastic housing for superior durability, IP42 rated, making it highly resistant to dust and liquids, and performs well even in harsh environments. The exhaust fan is ETL/FCC listed.
【INTELLIGENT CONTROLLER】The smart controller has multiple modes for operation, 10 fan speeds, easy to program and controls the humidity and temperature automatically with 4 easy settings and alarms which is a breeze to keep your space at the optimal temperature and humidity.
【WIDE APPLICATIONS】 The 6 Inch Inline duct fan is a great option for grow tents, closet, storage rooms, kitchens, bathrooms, basements and more.
【WORRY FREE SHOPPING】Spider Farmer promises to provide excellent customer service support before and after buying. If you have any questions, please feel free to contact us via email.

Rank No. #13

Instant HEPA Quiet Air Purifier, From the Makers of Instant Pot with Plasma Ion Technology for Rooms up to 630ft2; removes 99% of Dust, Smoke, Odors, Pollen & Pet Hair, for Bedrooms & Offices, Pearl

ADVANCED AIR CLEANING TECH: Combines a HEPA-13 filter that captures 99.97% of dust, pollen, smoke, mold, & other ultrafine impurities, combined with Plasma Ion Technology that projects positive and negative ions in the air allowing you to breathe easy.
CLEAN AIR IN MINUTES: Filters up to 630 SQFT per hour, to exchange 126 SQFT 5 times per hour, allowing you to breathe cleaner air in minutes, based on 3rd party testing.
AUTO MODE: Automatically senses the air quality and adjusts the fan up or down according to detected quality. Light band indicates when air quality is good (white), okay (orange) or poor (red) and adjusts to get back to good.
ODOR REDUCER: Activated carbon filter layer helps decreasing unpleasant smells, allowing your rooms or office space to be refreshed.
WHISPER-QUIET: Light sensor automatically turns off displays and lowers noise to whisper-quiet levels when it is time for bed.

Rank No. #14

Sunny Health & Fitness Asuna 7130 Lancer Cycle Exercise Bike with Magnetic Resistance Belt Rear Drive, 33 LB Flywheel, Dual Caged/Clipless (SPD) Pedals, 285 LB Max Weight

FEATURES: Machine balanced 33 lb aluminum and high alloy steel flywheel. Belt drive mechanism offers less maintenance and silent pedaling every time.
178mm Q-FACTOR: The narrow Q-FACTOR offers superior bio-mechanics that improve comfort and optimal efficiency.
SAFETY: Highest grade aluminum reduces the weight, making adjustments seamless. Front and rear foot levelers ensure stability on most surfaces.
COMFORT AND DESIGN: Advanced ergonomic designed handlebars deliver a comfortable ride and allow for multiple hand positions. The dual sided clip and cage pedals accommodate athletic shoes and high-performance SPD cleats.
EXTENDED RIDE COMFORT: The parallel seat rails run along the underside leaving the middle hallow for extra comfort and adaptability.

Rank No. #15

Genesis 6-Inch Clip Convertible Table-Top & Clip Fan Two Quiet Speeds - Ideal For The Home, Office, Dorm, More Black (A1CLIPFANBLACK

TWO QUIET FAN SPEEDS: Want to cool down without the pesky background noise? Enjoy two quiet speeds to suit your preference without disrupting family, roommates, or your sleep
Dual features: this fan conveniently converts from a clip on fan to a table top fan so you can enjoy its features at your desk or from any other preferred angle in your space
Adjustable head: customize the direction of airflow and cooling with the adjustable head for times when you need to move around the room or to accommodate more than one person
Sturdy design: the strong & sturdy grip clamp keeps this fan firmly in place, which ensures that airflow is being directed to the desired location & doesn't slip or fall
Easy to use: this fan is easy to adjust. To switch from tabletop to clip on and back, simply loosen the butterfly screw on the fan head and attach the base of your preference

Rank No. #16

Comfort Zone CZ6C 6-Inch 2-Speed Clip-On Fan (Black, 2 Fans)

2 Clip on Fans. Beat the heat. Bundle and Save.
Whisper quiet operation
Fully adjustable for airflow in any direction
Clip on design
2 speed 6 inch

Rank No. #17

Simple Deluxe Clip Fan Light Weight, Manually Adjustable 90° Angles, Speeds Control, 53 inch Cord Length, White

[UNIQUE DESIGN] Original simple white design, lightweight but powerful table clip fan.
[COMPACT SIZE] Compact Size11*7.5*8 inch, portability, handy, lightweight, Vertical and horizontal rotation. Cord length 53 inch. Clip mouth can be clamped up to 2inch thickness.
[Multiple Scenarios] The Clip-On Mini Desk Fan can be put or clip on anywhere you want, great for home and office, laptop, gym workout, car backseat, outdoors, camping, trips and anywhere need cool wind.
[POWERFUL FAN] High quality motor, max wind speed 10.5ft/s, low noise, stepless speed regulation.
[MANUAL ADJUSTMENT] Enjoy the cooling wind from any directions within vertical 90°.

SaleRank No. #18

BESTVA 2024 Newest Upgrade 1000W Led Grow Light with High Yield Diodes Full Spectrum LED Grow Lights for Indoor Plants Greenhouse Veg Bloom Light Hydroponic Grow Lamp

【HIGH YIELD & LOW COST】This 1000 watt led grow light designed with 640pcs high quality LEDs, Compare with the traditional 1000 watt grow lamps, this light is brighter and efficient, but consuming only 100 watts.Perfect for 2x2ft,Max coverage 3x3ft.
【Excellent full spectrum】Infinite close to natural sun light adopts the latest high-quality LEDs technology diodes.This full spectrum led grow light designed with 3000K, 5000K, 460nm, 660nm LEDs. Which providing your plants with excellent full spectrum led grow lights.
【Two Cultivation Modes】 FULL SPECTRUM LED GROW LIGHT. Nine different bands of LEDs make up our true full spectrum light, which helps plants, vegetables and flower indoor growing at all stages, just like in the natural sunshine. VEG mode and illumination 18-24hours a day in growth, BLOOM mode and illumination adjust to 12hours a day in flowering.
【Durable Cooling System】Multiple high-speed mute fans and upgraded aluminum radiators enable the light bulb to work at 50°F to 60°F that is lower than other lamps. In a lower temperatures, your plant won’t be burned which could increase your lighting time and promote plant growth, Super long use time, so that you do not have to change the light frequently.
【Professional Customer Service】3 years Professional Service and free return for 90 days in US warehouse. We have more than eight years of sales with after-sale service team professional in design, sales and production for the best products and service for the majority of customers. If you have any questions, please contact us no hesitate and we will reply within 24 hours to provide you a satisfactory reply.

SaleRank No. #19

BESKAR Small Clip on Fan, 3 Speeds USB Fan with Strong Airflow, Clip & Desk Fan USB Plug in with Sturdy Clamp - Ultra Quiet operation for Office Dorm Bedroom Stroller

【Powerful Wind & Low Noise】—— This clip fan is built in upgraded brushless motor, which is powerful enough that support quite a bit of airflow but also makes the fan operate surprisingly quietly, the wind distance up to 2m, the maximum working decibel is just 40db, it will not disturb you at all when you are working or sleeping.
【Strong Grip Clamp】—— Easily clip on to any surface, even running upside down and still be adjusted to point in every direction. This personal fan comes equipped easy-to-open clamp, which can clip on objective of thickness within 2.5 inches. Moreover, the soft rubber on clamp will never cause any scratch.
【Baby-friendly】—— Designed with narrow gap, making it safe to use even for infants and toddlers, protect the little inquisitive fingers from being hurt by the moving fan blade. Humanized design can set moms mind at rest.
【Space-saving Design 】——Small compact clip & desk 2-in-1 fan fits into any room corner without taking up too much space, a welcome addition to your bedroom, study, office, etc.
【360 Degree Rotation & 18-Month Warranty】—— 360 degree vertical and horizontal adjustment, enjoying the cool air from any directions and keeping you cool all the time. Our provide worry-free 18-month warranty and friendly customer service. Please feel free to contact us if any problems. Note: Clip on Fan USB Plug in, No Battery Fan.

SaleRank No. #20

HealSmart Tent Poles Clip Fan, Monkey Fan, Manually Adjustable 90° Angles, 15W, 2-Speeds Control, 53 inch Cord Length, White (GLFANXCLIP6)

[UNIQUE DESIGN] Original simple white design, lightweight but powerful table clip fan.
[COMPACT SIZE] Compact Size11*7.5*8 inch, portability, handy, lightweight, Vertical and horizontal rotation. Cord length 53 inch. Clip mouth can be clamped up to 2inch thickness.
[Multiple Scenarios] The Clip-On Mini Desk Fan can be put or clip on anywhere you want, great for home and office, laptop, gym workout, car backseat, outdoors, camping, trips and anywhere need cool wind.
[POWERFUL FAN] High quality motor, max wind speed 10.5ft/s, low noise, stepless speed regulation.
[MANUAL ADJUSTMENT] Enjoy the cooling wind from any directions within vertical 90°.

Last update on 2023-08-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Growing Fan?

Do you get stressed out thinking about shopping for a great Growing Fan? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Growing Fan, which is why we have assembled a comprehensive list of the greatest Growing Fan available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Growing Fan that you consider buying. Your questions might include the following:

Is it worth buying an Growing Fan?
What benefits are there with buying an Growing Fan?
What factors deserve consideration when shopping for an effective Growing Fan?
Why is it crucial to invest in any Growing Fan, much less the best one?
Which Growing Fan are good in the current market?
Where can you find information like this about Growing Fan?

We’re convinced that you likely have far more questions than just these regarding Growing Fan, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Growing Fan, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Growing Fan. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Growing Fan buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Growing Fan currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Growing Fan has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Growing Fan?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Growing Fan.
Customer Ratings: Number ratings grade Growing Fan objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Growing Fan.
Product Quality: You don’t always get what you pay for with an Growing Fan, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Growing Fan is should be an indication of how long it will work out for you.

We always remember that maintaining Growing Fan information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Growing Fan is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: What kind of fans do you need for indoor grow?

A: There are many different types of fans that you can use when growing indoors; there are small fans for grow tents, stand-alone fans for medium-sized grow rooms and wall-mounted fans for larger grows, as well as models that come with remote controls.

Q: Can a grow tent be used as a fan?

A: This fan is specifically designed to be used in grow tents. When you grow using a grow tent, there’s not really much space to place a larger fan in among your plants.

Q: Where to hang a ceiling fan in a grow room?

A: This Wall and Ceiling Fan is perfect for targeting specific areas of your grow room, for lower areas or even for pointing upwards for certain growing systems. You can also hang it from your grow room’s ceiling, place it on the floor or incline it in any direction that’s needed.

Q: What happens if you have a grow fan too strong?

A: During the flowering period if you set your fan too strong, you may end up damaging your plants’ flowers due to being in constant movement. This causes them to brush against each other; this can, in turn, cause a dramatic increase in the chance of fungi and bacteria infections.