I've bought so many of these lights over the years. I use them on tanks of all sizes. Depending on the color (lighter than dark purple) it can actually glow up to a 10 gallon tank. I then have one on each side of my 20 gallon tank and they are perfect for the entire tank.
Phlizon 165W Dimmable LED Aquarium Light For Saltwater/Freshwater Fish Coral Reef (20"X7"X2.4")
10 Review
Filter AQUAEL Ultramax 2000
17 Review
Add Vibrance To Your Aquarium With Greenpro Anubias Barteri Live Plants
46 Review
Transform Your Room Into A Virtual Ocean With Lightahead'S Artificial Tropical Fish Dolphin Aquarium Lamp (Marine Life B)
12 Review
Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review
Efficient 2-In-1 Magnetic Fish Tank Cleaner With Non-Slip Design And Scratch-Free Blades
37 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
Greenpro Micranthemum Monte Carlo: Live Large Pearl Grass Aquatic Plant In Tissue Culture Cup For Freshwater Fish Tanks And Aquariums
49 Review