Hi there @HappyWyatt and welcome to our Opae ula forum! In short i would say no and i say this because most sea plants require full strength salt water and the water we keep Opae ula in is Brackish and generally half the strength salt wise compared to full on marine/sea salt water. The plant will start to die and produce Ammonia which may foul your water. A few keepers use Marimo balls and do have success with Macroalgaes.
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