fluorescent

I have a lot of trouble figuring out how much light and CO2 I have, and what plants would thrive in my tank. I could also use some help dosing ferts. My tank is about 120gallon or 540liters. I have 2 18w LEDs, (AquaEl) one at 10 000k and one at 6500k. I can't figure out what their PUR/PAR or...

Currently have a 5 Foot Tank, with 2 24" Light Bulbs. They are in need for replacing, they are your standard T8 Fluorescent Bulbs. It will run me about $50 to replace both, but trying to go away from them. A neighbor is taking apart his set up and said he could sell me his ZooMed AquaSen LED...

I have a 10 gallon, Im wondering if CFL bulbs are good enough to use for plants, I have a spiral CFL that reads 6500k on a clamp lamp fixture, I'm no expert on lighting at all. So I'm wondering if anyone could clarify if CFL bulbs are a good option Cheers!

I have one 18" fluorescent bulb on the tank right now. I would like my tank to have moderate lighting. I am thinking of either buying a dual fluorescent fixture or a LED fixture. Which would be the better choice? The tank is a 20 tall, so the lights would be about 17" from the substrate.   For...

I recently bought a 10 gallon starter kit that came with a 14w 4200k Hagen Sun Glo T8 flourescent tube.     I was considering upgrading to an incandescent hood with two 23w 6500k Sylvania CFLs     Would the upgrade be worth it?    Has anyone had any experience with that type of Slyvania bulb?