It's an extendable 24" (max 30") t5 HO light, it comes with 2 6500k 24 watt bulbs. The price is $42. Should I get it for my 20 long tank?
24" T5 HO Aquarium Light Hood Freshwater Plant 6500K 48 | eBay
24" T5 HO Aquarium Light Hood Freshwater Plant 6500K 48 | eBay