12-13-2007, 12:18 PM
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Once the roots get going they grow extremely fast even in low light. When I had mine, they grew to a massive plant in less than 2 weeks and I had to trim them regularly to keep them in check.
The plants grow from the bulb and all the energy they grow from in the beginning is taken from there. Sooner or later you need to make sure htye have enough nutrients to keep growing or they tend to start to die off when the bulb is used up.
Just plant the roots in the substrate at some time and they should do fine in a medium light tank. When I upgraded to a little over 3 w/g on my 10 gallon tanks I kept them alive for months and they over ran my tanks in a matter of a week or so.