Try that place that you are planing on getting it filled from. If they do not do the test them selves, they will be able to point you in the rite direction
Yeh very efficent.
I am going to borrow two over the weekend and put them over a tank to see if I like them or not. I will take pictures and post for a comparision.
They seem like a much simplier option to making your own strip of led
The Africans are most likly to rip and pull at your plants so I would avoid them if I was you. Try some java ferm or anubius (?) much slower groing but cichlids tand to leave them alone.
I dont think they would team up. They tend to just cruise around as a pack, but not fight as a group. Their "territory" tends to change often, much more than americans do at least