Hi to everyone.I found this site by chance afew days ago through google and ime glad i did. My Names Darren and i have a Jewl Rio 400 Tank,with standard internal filtration with powerhead. Also an Eheim 2075 ext filter with a Koralia 2800l/h power head for water circulation for my plants which i would like to ask many questions about.I have the standard T8 lighting unit with 2x37watt Arcadia plant growth bulbs and an additional twin T5 lighting unit with 57watt Aqua one plant growth bulbs.Hope the info gives you an idea of my setup.Look forward to chatting to you all.