Is this water resistant Because my tank has a high evaporation

Hi Diego, You really need to have a glass or plexiglass cover for this. The manufacturer recommends use over a glass aquarium panel, so I wouldn't trust possible exposure to water.

How well does this work for soft corals?

I dont know i don't have any corals in my tank. I think it would be ok though. Its pretty bright and is a full spectrum light. You can also adjust the brightness.

The light has three options- yellow/white, blue/white, and blue. The timer only adjusts for yellow/white and blue. What is the blue/white used for?

I use it for a few hours at night. It makes my corals look good.

Can I use 2 of the 24-30 inch for my 55 gallon tank?

i feel like it would be an awkward fit unless you made a rail/hanger for them.

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NICREW 20W Saltwater Aquarium Light, Marine LED Reef Light for Corals, Programmable Timer Controller, 18 to 24-Inch

NICREW 20W Saltwater Aquarium Light, Marine LED Reef Light for Corals, Programmable Timer Controller, 18 to 24-Inch

Product ID: 173394705

Details

Color
Black
Finish Type
Powder Coated
Light Source Type
LED
Material
Aluminum
Shape
Rectangular

⏰Programmable day+night timer

🌈Full RGB + 10,000K white spectrum

🔵445nm & 460nm actinic blue LEDs

£79.41

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Description

🌊 Illuminate your reef like a pro — because your corals deserve the spotlight!

VERSATILE FIT - Extendable brackets fit 18-24 inch tanks, compatible with rimless and framed aquariums for seamless installation.
CORAL COMPATIBILITY - Supports saltwater fish, live rock, soft and LPS corals; ideal for hobbyists aiming for a thriving reef ecosystem.
PERFECT REEF SPECTRUM - Optimized 445nm & 460nm blue LEDs combined with full RGB and 10,000K white deliver vibrant coral growth and stunning tank visuals.
DURABLE MOISTURE RESISTANT - Powder-coated aluminum body with recommended glass/acrylic canopy extends lifespan by protecting against moisture.
SUNRISE TO SUNSET SIMULATION - Programmable timer controller mimics natural light cycles, reducing stress and enhancing coral health with gradual light transitions.

The NICREW 20W Saltwater Aquarium Light is a precision-engineered marine LED fixture featuring 36 LEDs with a balanced spectrum of actinic blue, RGB, and 10,000K white light. Designed for 18-24 inch saltwater tanks, it includes a programmable day+night controller to simulate natural lighting cycles, promoting healthy coral growth and vibrant aquatic life. Its extendable mounting brackets fit various tank styles, while its durable aluminum construction ensures long-lasting performance in humid environments.

Specifications

ASIN	B0819MQQ76
Amperage	1 Amps
Batteries are Included	No
Best Sellers Rank	#29,241 in Pet Supplies ( See Top 100 in Pet Supplies ) #89 in Aquarium Lights
Brand Name	NICREW
Color	Black
Color Temperature	10000 Kelvin
Customer Reviews	4.4 out of 5 stars 1,799 Reviews
Finish Type	Powder Coated
Finish Types	Powder Coated
Item Dimensions L x W x H	16.2"L x 24"W x 1.7"H
Item Weight	0.92 Kilograms
Light Output Maximum	7200 Lumens
Light Source Special Features	rgb
Light Source Type	LED
Light Source Wattage	20 Watts
Manufacturer	NICREW
Manufacturer Part Number	N14802
Material	Aluminum
Material Type	Aluminum
Maximum Compatible Light Source Wattage	20 Watts
Model Number	N14802
Mounting Type	frame mount
Number of Light Sources	36
Power Source	Corded Electric
Shade Material	acrylic , glass
Shape	Rectangular
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Classic
Unit Count	1 Count
Voltage	20 Volts
Wattage	20 watts

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