Plutoids Mom Posted March 1, 2021 Share Posted March 1, 2021 Hi! As I get my old 20 gallon long set up for cycling and plants, I was wondering if my light is concerned low light? I had retrofitted the stock light over 10 years ago with a compact florescent 55 watt with a reflector. Since I still have one bulb left, I was hoping to start the first year of the tank with what I have and to see how it goes. I'm thinking on Java fern, anubius, and/or crypts initially, and maybe val and a water lilly when I see how things are growing. I really want a tiger lotus, but not sure if the lights are bright enough. Thanks! Link to comment Share on other sites More sharing options...
gardenman Posted March 1, 2021 Share Posted March 1, 2021 A 55 watt 6700k compact fluorescent on a 20 long (a pretty shallow tank) would likely be in the medium to high range in terms of light output to me. You should get around 4,000-5,000 lumens from such a bulb if my memory serves me correctly. 1 Link to comment Share on other sites More sharing options...
Plutoids Mom Posted March 1, 2021 Author Share Posted March 1, 2021 I honestly wasn't expecting it to be in the medium to high range. My LFS told me back then that I didn't have enough wattage with it to do plants. Link to comment Share on other sites More sharing options...
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