Is this a suitable grow light for aquatic plants?

Mine work great for all my plants so far. I have one on a 5 gallon shrimp tank, 2 on 10 gallon tanks and 1 on a 17 gallon, all plants are doing great. It will also grow algae really well so you will have to experiment with your light times. Just get the light that is sized correctly for your tank.

will this fit my 6.5 gallon fish tank?

It would depend on the dimensions of your tank. I'm getting the 15.7 in unit for my 10gal tank, I'm assuming you would at least be able to use the smallest unit in your 6.5 gal tank. Just decide where you would put this light, find a straight length on your tank or hood and measure. If you have 8in of space then the 7.8in unit "should" fit.

Are additional suction cups available for purchase? I need 6 total to securely mount under my coffee table aquarium glass top.

YiePhiot 16 Pcs Aquarium Suction... https://www.amazon.com/dp/B08N9ZZZ38?ref=ppx_pop_mob_ap_share

Will the 7.8 inch 6w be ok for a 10 gallon high bow front tank?

I initially bought the 11 inch for a generic top fin 10 gallon tank. It was ok, but was only lighting up the center like a spotlight, the rest was in shadow. I exchanged for the 15 inch and am much happier with it.

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24/7 Mode Submersible Aquarium LED Light, Full Spectrum Hidden Fish Tank Light with 3 Rows Beads 7 Colors Auto On Off Sunrise-Daylight-Moonlight, Adjustable Timer Brightness

Product ID: 424701489

Details

Colour
Black
Finish type
Polished
Light source type
Light Emitting
Material
Plastic
Shape
Rectangular

⏰Adjustable timer with 3 presets

🌈7 vivid color modes

💡36 high-efficiency LEDs

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€ 36.94

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Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌅 Illuminate your tank like never before — from sunrise to moonlight, effortlessly.

ECO SMART MODULAR BUILD - Replace only the adapter if needed, minimizing waste and maximizing convenience for the eco-conscious millennial.
SOFT EYE FRIENDLY ILLUMINATION - High CRI 79 ensures natural color rendering that protects fish and reduces viewer eye strain—no flicker, no stress.
CUSTOMIZABLE FULL SPECTRUM CONTROL - Tailor brightness, color, and timing with intuitive DIY mode for a personalized aquatic experience.
IP 68 WATERPROOF SUBMERSIBLE DESIGN - Durable, fully sealed light fits inside or outside your tank, built to last with 50,000+ hours lifespan.
SEAMLESS 24 7 NATURAL LIGHTING CYCLE - Sunrise to moonlight transitions mimic nature’s rhythm, enhancing your aquarium’s ambiance effortlessly.

The 24/7 Mode Submersible Aquarium LED Light by hygger features 36 premium LEDs delivering a full spectrum of 7 colors with smooth sunrise, daylight, and moonlight transitions. Its IP68 waterproof rating allows versatile placement inside or outside the tank, while adjustable timers and brightness settings offer complete control. Designed for tanks 8-15 inches long, it combines energy-efficient 6W power with a long 50,000-hour lifespan and eco-friendly modular parts, making it the ultimate lighting upgrade for modern aquarium enthusiasts.

Specifications

ASIN	B09CL6Y32S
Batteries are Included	No
Beam Angle	120 Degrees
Best Sellers Rank	#60,017 in Pet Supplies ( See Top 100 in Pet Supplies ) #317 in Aquarium Lights
Brand Name	hygger
Bulb Base	G4
Bulb Shape Size	54SMD
Color	Black
Color Temperature	6500 Kelvin
Colour	Black
Customer Reviews	4.4 out of 5 stars 1,105 Reviews
Finish Types	Polished
Finish type	Polished
Included Components	Submersible LED Light AC/DC power adapter 2 x Sucker User manual 2 x Remote Control
Item Dimensions L x W x H	20.3L x 4.6W x 4.6H centimeters
Light Source Special Features	full spectrum, color changing
Light Source Type	Light Emitting Diode
Light Source Wattage	6 Watts
Light source type	Light Emitting Diode
Manufacturer	hygger
Manufacturer Part Number	005
Material	Plastic
Material Type	Plastic
Maximum Compatible Light Source Wattage	6 Watts
Model Number	8in 6W
Mounting Type	external mount, under cover mount, submersible
Number of Light Sources	36
Power Source	Corded Electric
Shade Material	Paper
Shade material	Paper
Shape	Rectangular
Smart Home Compatibility	Not Smart Home Compatible
Specification Met	[Not Specified]
Style Name	Modern
Unit Count	1.0 Count
Wattage	6 watts

Reviews

M**Z

Excelente

Excelente equipo

29.07.2025

A**R

I will buy again

Good

30.11.2025

ن**ل

اضاءة حوض السمك

رائع جدا اعجبني ويتبرمج يصير اضاءات مختلفه حسب الوقت

26.07.2023

A**R

Good price point

Great light. Like the 24/7 setting. Had to replace lights on 4-year-old hood. Attached mine with industrial strength Velcro. No issues so far. Installed 2 weeks ago. So far at this point would buy again.

13.04.2026

C**D

Love it

Hands-down, my favourite aquarium light I’ve ever used the timer, makes it easy once he gets set. It comes on and goes off on it own.

8.03.2026

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