Killed my mangroves

I purchased a small pot with four or five mangrove stems, and placed it in my sump. The plants did great and grew rapidly. Since I cover my sump, they rapidly got to the point where they were too tall. After doing some reading (from an unreliable source from the looks of it), I decided to cut the mangroves at the stems, and to plant them in a sand bed in the sump. My thought was that the cut stems would regrow, and the bits I had chopped off would sprout new roots and export some of the crap in the sand bed.

At first it seemed to work out, and the cuttings sprouted new leaves and continued to grow. Fast forward a couple months later, and all the cuttings have dropped their leaves and the potted stems haven't grown a bit.

Do I still have any hope of keeping these plants alive or should I cut my losses and toss them before they begin to rot (if they haven't already)?
 
Get them out, they will rot at the bottom. The only way I was successfull was to plant them in sand and then uproot them on the first leaf, and let them grow aerial roots. I have close to 100 of them growing like this.
 
That's what I figured, I'll pull them tonight. This might explain the hair algae problem I've been having recently.

At this point, I don't think I'm going to mess with them again, in terms of nutrient export chaeto seems much easier.
 
0 Agios,

100 mangroves sounds like a lot. Do you have any pictures of your mangroves? I've always wanted to grow some too.... how old are yours? How tall? I assume they are red mangroves? how did you go about encouraging aerial root structure? (methods etc) do you grow them in pots? I hear their root structure can become massive yet delicate to disruption/breakage
what kind of lighting do you use?
 
Mine grew like champs under the crappy home depot fluorescent light I use for chaeto. Just don't expect to reproduce them like I did.
 
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