I'm doing a new scape in my 10 gallon, and I want to be able to grow a carpet of some sort, so I need to upgrade to high light. I'm currently using 2 13 watt 6500k bulbs, which give beautiful light, but not enough to grow a carpet I suspect (correct me if I'm wrong). Could I just take the 2 23 watt bulbs I have hanging in shop lights and put those on my 10 gal, or is that still not enough light? And if so, what should I use for my 20 gal. I would like the higher range of medium light for that tank. Unfortunately, I'm on a budget, so any cheap options are appreciated!
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