Ok, as promised, this is what the mangroves look like now (freshwater tank, but should actually do a bit better in brackish. Flowering plant is one in the same family as African violets). I know most folks use small tanks, so I doubt you'd fit more than one per.
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IMG_20170407_130604_DRO.jpg (799.87 KiB) Viewed 4885 times
IMG_20170407_130557_DRO.jpg (781 KiB) Viewed 4885 times