--- product_id: 686633674 title: "Aquarium Grow Light with 24/7 Timer for 36-42in Fish Tank" brand: "seaoura" price: "ΰΈΏ8959" currency: THB in_stock: true reviews_count: 13 category: "Seaoura" url: https://www.desertcart.co.th/products/686633674-aquarium-grow-light-with-24-7-timer-for-36-42in store_origin: TH region: Thailand --- # 3 customizable timer modes 252 high-CRI LEDs, 20 brightness levels IP68 waterproof & durable Aquarium Grow Light with 24/7 Timer for 36-42in Fish Tank **Brand:** seaoura **Price:** ΰΈΏ8959 **Availability:** βœ… In Stock ## Summary > πŸŒ… Illuminate your tank like a proβ€”because your aquatic ecosystem deserves the spotlight! ## Quick Answers - **What is this?** Aquarium Grow Light with 24/7 Timer for 36-42in Fish Tank by seaoura - **How much does it cost?** ΰΈΏ8959 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/686633674-aquarium-grow-light-with-24-7-timer-for-36-42in) ## Best For - seaoura enthusiasts ## Why This Product - Trusted seaoura brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Power Outage Memory:** Built-in battery backup keeps your lighting schedule intactβ€”no resets, no hassle. - β€’ **Rugged Waterproof Design:** IP68-rated aluminum & polycarbonate body built to withstand daily splashes and heat. - β€’ **Vivid Full-Spectrum LEDs:** 252 LEDs deliver 9 color options & 20 dim levels for lush plant growth and stunning visuals. - β€’ **Adjustable Fit & Coverage:** Extendable bracket fits 36-42 inch tanks, ensuring every inch of your aquatic world shines. - β€’ **Precision 24/7 Lighting Control:** Set sunrise to moonlight with DIY timer for natural aquatic rhythms. ## Overview The SEAOURA Aquarium Grow Light is a 42W, full-spectrum LED lighting system designed for 36-42 inch freshwater tanks. Featuring 252 high-CRI LEDs with 9 color modes and 20 dimming levels, it supports optimal plant photosynthesis and vibrant aquatic displays. Its programmable 24/7 timer simulates natural light cycles with sunrise, daylight, sunset, and moonlight settings, backed by a battery memory to maintain schedules during power outages. The IP68 waterproof aluminum and polycarbonate construction ensures durability and easy maintenance, while the adjustable bracket guarantees full tank coverage. Ideal for millennial aquarium enthusiasts seeking smart, customizable, and reliable lighting solutions. ## Description desertcart.com : SEAOURA Aquarium Grow Light with 24/7 Timer for 36-42in Fish Tank | High PAR LEDs for Plant Growth, 3 Timers + Memory, 20 Dimming, 15min Fade, Adjustable Brackets, Slim Aluminum : Pet Supplies Review: Like adjustable 24/7 feature - Very nice light for the money. Easy to program. I especially like the 24/7 feature. You can adjust the time, color, brightness, etc, It also gradually adjusts from setting to setting - sunrise, daylight, sunset, moonlight and off. Recommended. Review: Caused MASSIVE algae outbreak due to brightness. Upgraded version is great! - UPDATE #2 I upgraded my original review from 2-5 stars The customer service has been excellent from this seller. After I got my massive algae outbreak under control(see below) I purchased the upgraded version of this light which now has the ability to change brightness and color in 24/7 mode. The only way to tell if you receive the upgraded version ( because the old and new are currently mixed together at the warehouse) is to look at page 10 of the manual. If the top line on the page says time, color, brightness, you received the newer version. There is a battery backup in the control that saves current settings in case of a power outage which is a great feature. There are helpful programming videos explaining how to set up the controls, so it's not as complicated as it initially seemed. I am currently running 2 different sizes of this light on 2 separate tanks and have been very pleased with the newer version. My plants are doing great and there's no algae outbreak in sight. I will buy more in the future. ORIGINAL REVIEW. The controls are quite complicated to program on this very bright light. The biggest problem that I have experienced is that there is no way to dim the light intensity level when on 24/7 mode, which resulted in a MASSIVE hair algae outbreak that covered all of my plants, glass and rocks in a surprisingly short period of time. I have pulled out an entire tank full of live plants 3 times and dipped them in diluted peroxide followed by dosing of liquid carbon to try to keep them from dying due to algae suffocation. I have also removed all of the hardscape and scrubbed it down to remove the blanket of algae covering it as well. I have been doing 50% water changes every 3 days for the past 4 weeks because the algae returns so rapidly. I have even done total blackouts which helped, but once I turned the light back on for 2 hours per day, for the plants survival, poof! the algae returned with a vengeance. I have become a slave to my aquarium, spending many hours per week battling this scourge. It will be a miracle if my plants survive, because they are all currently melting. Once this algae sets in it seems to be very difficult to overcome. I finally resorted to replacing this high intensity light with the old kit light that came with my aquarium and so far the algae has not returned. UPDATE #1: Customer service reached out to me several hours after posting this review and offered me an upgraded replacement that allows brightness adjustment in 24/7 mode or a refund. Customer service has been excellent. I am willing to try the upgraded light, since I was happy with the quality. Regarding the difficult programming of the light schedule, customer service sent me more detailed directions and is also willing to help program specific times if needed. This company has been very willing to stand behind their product, which I really appreciate. I will be happy to try the upgraded version. ## Features - 🐟 3 Modes with Custom Timer: DIY hour & minute of DAY mode, NIGHT mode, 24/7 mode. Seaoura aquarium light provide LED time clock display system allowing you to program a flexible automatic start & end lighting schedule of sunrise, daylight, sunset, moonlight and off. Simulate natural daily light for your tank based on the local time you set. - 🐟 Time Memory Function: A replaceable battery is featured in the fish light controller to keep the passage of time even if the power is cut off unexpectedly. The aquarium plants light will follow the schedule timely when power restored after a tank cleansing or a blackout. No need to set and calibrate the timer repeatedly. - 🐟 High Quality LEDs: 7 rows of 5050 + 2835 LED chips, Seaoura fish tank light provide full spectrum, red, green, blue, pink, purple, cyan, orange and color cycle, total 9 color optionswith 20 levels of dimmable brightness. Up to 90% light through PC surface ensuring the aquarium is evenly illuminated. CRI:92, PAR:167, Lux:9854, Lumen:2807, Color Temp: White 12600K, Power:42W, LED QTY:252Pcs(W:168Pcs/R:12Pcs/G:12Pcs/B:24Pcs/RGB:36Pcs) - 🐟 Ideal for Aquarium Plant Growth: Seaoura LED Aquarium Light bathing your freshwater aquarium. High PAR value and reasonable blue and red light wavelength make the aquarium light better for aquatic plants to photosynthesize. Custom timer programmable control the light up the aquarium adapt to local time. A 15-min brightness gradient is set between light stages to avoid startle the fish. - 🐟 Taller Extendable Bracket: Seaoura aquarium lights came with adjustable mount, application size: 36'' to 42'', fit the light on 40 gallon to 50 gallon fish tanks. The taller stand design ensures the light covers every corner of the aquarium while extending its service life. Cable Length: 8.2ft. - 🐟 IP68 Waterproof: Seaoura aquarium planted light is easy to maintain and wipe clean featuring a IP68 waterproof light body. Combined aluminum shell and PC material brings better water and heat resistance to the lights body. Solid and durable for 24/7 routine. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DG5P6M7L | | Amperage | 1.2 A | | Battery Description | Lithium-Ion | | Best Sellers Rank | #7,757 in Pet Supplies ( See Top 100 in Pet Supplies ) #12 in Aquarium Lights | | Brand Name | SEAOURA | | Color | Black | | Color Rendering Index | 92 | | Color Temperature | 12600 Kelvin | | Customer Reviews | 4.4 out of 5 stars 1,548 Reviews | | Finish Type | Polished | | Finish Types | Polished | | Included Components | Adapter Cable, Aquarium Light, Batteries included, Extendable Mount, User Manual | | Item Dimensions L x W x H | 34"L x 3.9"W x 0.3"H | | Item Weight | 1.14 kg | | Light Output Maximum | 2807 lumens | | Light Source Special Features | 20 Level Dimmable, 24/7 Natural Mode, 8 Colors & Cycle, Day & Night Mode, Power-off Memory | | Light Source Type | Light Emitting Diode | | Light Source Wattage | 42 watts | | Manufacturer | SEAOURA | | Manufacturer Part Number | SR-657 | | Manufacturer Warranty Description | 1 year warranty. | | Material | Aluminum | | Material Type | Aluminum | | Maximum Compatible Light Source Wattage | 42 watts | | Model Number | SR-657 | | Mounting Type | Adjustable Bracket Mount | | Number of Batteries | 1 Product Specific batteries required. | | Number of Items | 1 | | Number of Light Sources | 252 | | Power Source | Corded Electric | | Set Name | SR-657 | | Shade Material | Polycarbonate (PC) | | Shape | Rectangular | | Specification Met | ETL, IP68 water resistance | | Style Name | Modern | | Unit Count | 1 Count | | Voltage | 20 volts | | Wattage | 42 watts | ## Product Details - **Color:** Black - **Finish Type:** Polished - **Light Source Type:** Light Emitting Diode - **Material:** Aluminum - **Shape:** Rectangular ## Images ![Aquarium Grow Light with 24/7 Timer for 36-42in Fish Tank - Image 1](https://m.media-amazon.com/images/I/71AiwYqLhGL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is it designed to avoid promoting algae growth?** A: Yes, the SR-657 aquarium light can be turned on/off at the time you set, and the 20 levels of brightness can be adjusted to effectively prevent algae growth. **Q: Is the battery included? Do I have to use batteries? How long does the battery last?** A: Yes, CR1220 batteries are included. The battery is only for memory function, and the LED light and controller can work without the battery. The battery only consumes power when power supply is disconnected. **Q: Can this light help plants grow?** A: Of course! The spectrum of this aquarium light increases the intensity of red and blue light, which is more conducive to the growth of rhizomes and leaves of plants, and promotes the natural circulation of the water tank. **Q: I'm having trouble programming, what should I do?** A: Tell us the lighting schedule you need (start time, end time, light color, brightness), and we will assist you in setting it up step by step. We usually reply in 12 hours. **Q: I need to have the night mode start at 6pm but the number is skipping?** A: The night mode can't overlap with day mode. The night timer will auto skip the hours that is taken by day mode. Please edit day mode timer first. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Like adjustable 24/7 feature *by S***P on September 14, 2026* Very nice light for the money. Easy to program. I especially like the 24/7 feature. You can adjust the time, color, brightness, etc, It also gradually adjusts from setting to setting - sunrise, daylight, sunset, moonlight and off. Recommended. ### ⭐⭐⭐⭐⭐ Caused MASSIVE algae outbreak due to brightness. Upgraded version is great! *by R***D on May 29, 2025* UPDATE #2 I upgraded my original review from 2-5 stars The customer service has been excellent from this seller. After I got my massive algae outbreak under control(see below) I purchased the upgraded version of this light which now has the ability to change brightness and color in 24/7 mode. The only way to tell if you receive the upgraded version ( because the old and new are currently mixed together at the warehouse) is to look at page 10 of the manual. If the top line on the page says time, color, brightness, you received the newer version. There is a battery backup in the control that saves current settings in case of a power outage which is a great feature. There are helpful programming videos explaining how to set up the controls, so it's not as complicated as it initially seemed. I am currently running 2 different sizes of this light on 2 separate tanks and have been very pleased with the newer version. My plants are doing great and there's no algae outbreak in sight. I will buy more in the future. ORIGINAL REVIEW. The controls are quite complicated to program on this very bright light. The biggest problem that I have experienced is that there is no way to dim the light intensity level when on 24/7 mode, which resulted in a MASSIVE hair algae outbreak that covered all of my plants, glass and rocks in a surprisingly short period of time. I have pulled out an entire tank full of live plants 3 times and dipped them in diluted peroxide followed by dosing of liquid carbon to try to keep them from dying due to algae suffocation. I have also removed all of the hardscape and scrubbed it down to remove the blanket of algae covering it as well. I have been doing 50% water changes every 3 days for the past 4 weeks because the algae returns so rapidly. I have even done total blackouts which helped, but once I turned the light back on for 2 hours per day, for the plants survival, poof! the algae returned with a vengeance. I have become a slave to my aquarium, spending many hours per week battling this scourge. It will be a miracle if my plants survive, because they are all currently melting. Once this algae sets in it seems to be very difficult to overcome. I finally resorted to replacing this high intensity light with the old kit light that came with my aquarium and so far the algae has not returned. UPDATE #1: Customer service reached out to me several hours after posting this review and offered me an upgraded replacement that allows brightness adjustment in 24/7 mode or a refund. Customer service has been excellent. I am willing to try the upgraded light, since I was happy with the quality. Regarding the difficult programming of the light schedule, customer service sent me more detailed directions and is also willing to help program specific times if needed. This company has been very willing to stand behind their product, which I really appreciate. I will be happy to try the upgraded version. ### ⭐⭐⭐⭐ EXCELLENT CUSTOMER SERVICE - And the light grows live plants very well *by D***E on April 5, 2026* [REVISED REVIEW] I am revising this review to reflect the prompt action by customer support in addressing my initial concerns. As seen in the original review, my particular light died after only 10 weeks. Immediately after my review, SEAOURA reached out to me to rectify the situation. They offered a full refund or a replacement light. Because I had already purchased a new light the day mine totally died, I opted for the refund, which I received promptly. The kicker here is that, because their brand of lights works so well, the replacement light I purchased the day mine died was, in fact, another SEAOURA-branded light. That speaks to my confidence in how well their lights grow plants. While I gave the light 4 stars in this review, I'd rate the entire experience as a solid 4.5 - 4 for the light .5 for the initial experience. [ORIGINAL REVIEW] In all honesty, the light is GREAT for growing plants when it works. This is the reason I gave it two stars instead of one. PROs - The form factor of the light is great and modern. For my 55-gallon, heavily planted tank, the lights fit perfectly. It has rails that slide in and out of the light housing, making it quite simple to adjust the length. - I think the highlight of the light, for many, will be that it has various lighting options - 24 Hour lighting and a timed schedule. For me, the 24-hour lighting (which goes from dawn to dusk in a variety of realistic colors over the course of the day) is too long a lighting period for my tank and can cause an algae bloom if not handled carefully. I ended up using the schedule to customize the lights to fit my needs. The schedule allows you to have 2 separate lighting events: one for AM and one for PM. This was PERFECT for me and my plants (with proper fertilization and nutrient dosing), my plants grew extremely fast. - Backup Battery for the timing module - Where I live, the power goes out frequently. Having a battery backup on the timing module saved me from having to reset the schedule every single day the power went out. I'd never think I'd need it; however, with the amount of customization the light has, it is a MUST if you lose power. CONs - My biggest con is that the equipment's longevity was laughable. Again, the light lasted barely 3 months. The light was only on for 7 hours a day, and that is it. It appears the timing module itself went belly up. I noticed the numbers on the timer looking like hieroglyphics one day, then the light patterns changed, with the light finally refusing to turn on. - A small con is that the directions on how to use the lighting schedule are pretty bad. Thankfully, there are a few YouTube videos that walk through the process, so I relied on them to eventually get me where I needed to be. To me, having an aquarium light go out after barely 3 months is unacceptable. If my aquarium were full of plastic plants, it'd be tolerable. However, with a tank full of plants and 20 fish, it could have been disastrous if I hadn't acted quickly and gotten another light the next day. I actually really did like the light. I would even recommend the light IF it lasted at least a year. As it stands, I cannot do so, as the main function of the light (growing my plants) stopped working after 10 weeks. ## Frequently Bought Together - SEAOURA Full Spectrum Aquarium Light, 24/7 Custom Timer, Power-Off Memory, 36-42in 7-Row LED Fish Tank Lights, 8 Colors, 20 Brightness, Day & Night Cycle, Adjustable Mount for Freshwater Plant Growth - Fluval 12695 Plant and Shrimp Stratum for Freshwater Fish Tanks, 17.6 lbs. – Aquarium Substrate for Strong Plant Growth, Supports Neutral to Slightly Acidic pH --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/686633674-aquarium-grow-light-with-24-7-timer-for-36-42in](https://www.desertcart.co.th/products/686633674-aquarium-grow-light-with-24-7-timer-for-36-42in) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-25*