Re: Opae Ula, Hawaiian Red Shrimp, SuperShrimp, whatever...
There are small HOB filters on two of my three opae ula tanks. There is water movement, but not a whole lot. The intakes are covered with sponges which hang directly under the "waterfall" from the filters. The shrimp pick goodies off the sponges, even under direct water movement.
There are larva in all of the tanks. Once settled, though, I rarely see them.
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